* installing to library ‘/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages’
* installing *source* package ‘xgboost’ ...
** package ‘xgboost’ successfully unpacked and MD5 sums checked
** using staged installation
checking Backtrace lib... 
checking whether the C++ compiler works... yes
checking for C++ compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C++... yes
checking whether g++-14 -std=gnu++17 accepts -g... yes
checking for g++-14 -std=gnu++17 option to enable C++11 features... none needed
checking for backtrace in -lexecinfo... no
checking endian... 
configure: creating ./config.status
config.status: creating src/Makevars
** libs
Makevars:17: -DXGBOOST_STRICT_R_MODE=1
Makevars:17: -DDMLC_LOG_BEFORE_THROW=0
Makevars:17: -DDMLC_ENABLE_STD_THREAD=1
Makevars:17: -DDMLC_DISABLE_STDIN=1
Makevars:17: -DDMLC_LOG_CUSTOMIZE=1
Makevars:17: -DXGBOOST_CUSTOMIZE_LOGGER=1
Makevars:17: -DRABIT_CUSTOMIZE_MSG_
using C compiler: ‘gcc-14 (Debian 14.2.0-8) 14.2.0’
using C++ compiler: ‘g++-14 (Debian 14.2.0-8) 14.2.0’
using C++17
make[1]: Entering directory '/home/hornik/tmp/scratch/RtmpNtp9yy/R.INSTALL3961876a426fb4/xgboost/src'
Makevars:17: -DXGBOOST_STRICT_R_MODE=1
Makevars:17: -DDMLC_LOG_BEFORE_THROW=0
Makevars:17: -DDMLC_ENABLE_STD_THREAD=1
Makevars:17: -DDMLC_DISABLE_STDIN=1
Makevars:17: -DDMLC_LOG_CUSTOMIZE=1
Makevars:17: -DXGBOOST_CUSTOMIZE_LOGGER=1
Makevars:17: -DRABIT_CUSTOMIZE_MSG_
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c xgboost_R.cc -o xgboost_R.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from xgboost_R.cc:7:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c xgboost_custom.cc -o xgboost_custom.o
In file included from ./dmlc-core/include/../../src/common/../collective/communicator.h:5,
                 from ./dmlc-core/include/../../src/common/../collective/communicator-inl.h:7,
                 from ./dmlc-core/include/../../src/common/random.h:22,
                 from xgboost_custom.cc:6:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
gcc-14 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c init.c -o init.o
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/metric/metric.cc -o src/metric/metric.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/metric.h:13,
                 from src/metric/metric.cc:7:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/metric/elementwise_metric.cc -o src/metric/elementwise_metric.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/metric.h:13,
                 from src/metric/elementwise_metric.cu:10,
                 from src/metric/elementwise_metric.cc:7:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/registry.h:13,
                 from src/metric/elementwise_metric.cu:9:
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_NE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/metric/elementwise_metric.cu:349:7:   required from ‘double xgboost::metric::EvalEWiseBase<Policy>::Eval(const xgboost::HostDeviceVector<float>&, const xgboost::MetaInfo&) [with Policy = xgboost::metric::EvalTweedieNLogLik]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/metric/elementwise_metric.cu:344:10:   required from here
  344 |   double Eval(HostDeviceVector<bst_float> const& preds, const MetaInfo& info) override {
      |          ^~~~
./dmlc-core/include/dmlc/./logging.h:202:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  202 | DEFINE_CHECK_FUNC(_NE, !=)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/metric/multiclass_metric.cc -o src/metric/multiclass_metric.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/metric.h:13,
                 from src/metric/multiclass_metric.cu:7,
                 from src/metric/multiclass_metric.cc:7:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/registry.h:13,
                 from ./include/xgboost/metric.h:10:
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/metric/multiclass_metric.cu:171:7:   required from ‘double xgboost::metric::EvalMClassBase<Derived>::Eval(const xgboost::HostDeviceVector<float>&, const xgboost::MetaInfo&) [with Derived = xgboost::metric::EvalMultiLogLoss]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/metric/multiclass_metric.cu:169:10:   required from here
  169 |   double Eval(const HostDeviceVector<float> &preds, const MetaInfo &info) override {
      |          ^~~~
./dmlc-core/include/dmlc/./logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/metric/rank_metric.cc -o src/metric/rank_metric.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/metric.h:13,
                 from src/metric/rank_metric.cc:24:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/metric/auc.cc -o src/metric/auc.o
In file included from src/metric/../collective/communicator.h:5,
                 from src/metric/../collective/communicator-inl.h:7,
                 from src/metric/auc.h:13,
                 from src/metric/auc.cc:4:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./include/xgboost/logging.h:11,
                 from ./include/xgboost/json.h:8:
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_NE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/metric/auc.cc:357:5:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:202:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  202 | DEFINE_CHECK_FUNC(_NE, !=)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/metric/auc.cc:215:3:   required from ‘std::pair<double, unsigned int> xgboost::metric::RankingAUC(const std::vector<float, std::allocator<float> >&, const xgboost::MetaInfo&, int32_t) [with bool is_roc = true; int32_t = int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/metric/auc.cc:345:27:   required from here
  345 |           RankingAUC<true>(predts.ConstHostVector(), info, n_threads);
      |           ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./dmlc-core/include/dmlc/logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/metric/auc.cc:84:5:   required from ‘double xgboost::metric::MultiClassOVR(xgboost::common::Span<const float>, const xgboost::MetaInfo&, size_t, int32_t, BinaryAUC&&) [with BinaryAUC = std::tuple<double, double, double> (&)(xgboost::common::Span<const float>, xgboost::linalg::TensorView<const float, 1>, xgboost::common::OptionalWeights); size_t = long unsigned int; int32_t = int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/metric/auc.cc:359:26:   required from here
  359 |       auc = MultiClassOVR(predts.ConstHostVector(), info, n_classes, n_threads,
      |             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  360 |                           BinaryROCAUC);
      |                           ~~~~~~~~~~~~~
./dmlc-core/include/dmlc/logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/metric/survival_metric.cc -o src/metric/survival_metric.o
In file included from src/metric/survival_metric.cu:13,
                 from src/metric/survival_metric.cc:10:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/objective/objective.cc -o src/objective/objective.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/objective.h:12,
                 from src/objective/objective.cc:7:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/objective/regression_obj.cc -o src/objective/regression_obj.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/objective.h:12,
                 from src/objective/regression_obj.cu:9,
                 from src/objective/regression_obj.cc:17:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/registry.h:13,
                 from src/objective/regression_obj.cc:7:
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_NE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/objective/../common/stats.h:123:5:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:202:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  202 | DEFINE_CHECK_FUNC(_NE, !=)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
In file included from src/objective/regression_obj.cu:17:
src/objective/../common/linalg_op.h: In instantiation of ‘void xgboost::linalg::ElementWiseKernelHost(TensorView<T, D>, int32_t, Fn&&) [with T = const float; int D = 2; Fn = xgboost::obj::PseudoHuberRegression::GetGradient(const xgboost::HostDeviceVector<float>&, const xgboost::MetaInfo&, int, xgboost::HostDeviceVector<xgboost::detail::GradientPairInternal<float> >*)::<lambda(size_t, float)>&; int32_t = int]’:
src/objective/../common/linalg_op.h:60:24:   required from ‘void xgboost::linalg::ElementWiseKernel(const xgboost::GenericParameter*, TensorView<T, D>, Fn&&) [with T = const float; int D = 2; Fn = xgboost::obj::PseudoHuberRegression::GetGradient(const xgboost::HostDeviceVector<float>&, const xgboost::MetaInfo&, int, xgboost::HostDeviceVector<xgboost::detail::GradientPairInternal<float> >*)::<lambda(size_t, float)>]’
   60 |   ElementWiseKernelHost(t, ctx->Threads(), fn);
      |   ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
src/objective/regression_obj.cu:245:30:   required from here
  245 |     linalg::ElementWiseKernel(ctx_, labels, [=] XGBOOST_DEVICE(size_t i, float const y) mutable {
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  246 |       auto sample_id = std::get<0>(linalg::UnravelIndex(i, labels.Shape()));
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  247 |       const float z = predt(i) - y;
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  248 |       const float scale_sqrt = std::sqrt(1 + common::Sqr(z) / common::Sqr(slope));
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  249 |       float grad = z / scale_sqrt;
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  250 | 
      |                               
  251 |       auto scale = common::Sqr(slope) + common::Sqr(z);
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  252 |       float hess = common::Sqr(slope) / (scale * scale_sqrt);
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  253 | 
      |                               
  254 |       auto w = weight[sample_id];
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~
  255 |       gpair(i) = {grad * w, hess * w};
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  256 |     });
      |     ~~                        
src/objective/../common/linalg_op.h:38:13: warning: possibly dangling reference to a temporary [-Wdangling-reference]
   38 |       auto& v = detail::Apply(t, linalg::UnravelIndex(i, t.Shape()));
      |             ^
src/objective/../common/linalg_op.h:38:30: note: the temporary was destroyed at the end of the full expression ‘xgboost::linalg::detail::Apply<xgboost::linalg::TensorView<const float, 2>&, std::tuple<long unsigned int, long unsigned int> >((* & t), xgboost::linalg::UnravelIndex(size_t, xgboost::common::Span<const long unsigned int, D>) [with long unsigned int D = 2; size_t = long unsigned int](xgboost::linalg::TensorView<T, kDim>::Shape() const [with T = const float; int kDim = 2]()))’
   38 |       auto& v = detail::Apply(t, linalg::UnravelIndex(i, t.Shape()));
      |                 ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/objective/../common/linalg_op.h: In instantiation of ‘void xgboost::linalg::ElementWiseKernelHost(TensorView<T, D>, int32_t, Fn&&) [with T = const float; int D = 2; Fn = xgboost::obj::MeanAbsoluteError::GetGradient(const xgboost::HostDeviceVector<float>&, const xgboost::MetaInfo&, int, xgboost::HostDeviceVector<xgboost::detail::GradientPairInternal<float> >*)::<lambda(size_t, float)>&; int32_t = int]’:
src/objective/../common/linalg_op.h:60:24:   required from ‘void xgboost::linalg::ElementWiseKernel(const xgboost::GenericParameter*, TensorView<T, D>, Fn&&) [with T = const float; int D = 2; Fn = xgboost::obj::MeanAbsoluteError::GetGradient(const xgboost::HostDeviceVector<float>&, const xgboost::MetaInfo&, int, xgboost::HostDeviceVector<xgboost::detail::GradientPairInternal<float> >*)::<lambda(size_t, float)>]’
   60 |   ElementWiseKernelHost(t, ctx->Threads(), fn);
      |   ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
src/objective/regression_obj.cu:696:30:   required from here
  696 |     linalg::ElementWiseKernel(ctx_, labels, [=] XGBOOST_DEVICE(size_t i, float const y) mutable {
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  697 |       auto sign = [](auto x) {
      |       ~~~~~~~~~~~~~~~~~~~~~~~~
  698 |         return (x > static_cast<decltype(x)>(0)) - (x < static_cast<decltype(x)>(0));
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  699 |       };
      |       ~~                      
  700 |       auto sample_id = std::get<0>(linalg::UnravelIndex(i, labels.Shape()));
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  701 |       auto grad = sign(predt(i) - y) * weight[i];
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  702 |       auto hess = weight[sample_id];
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  703 |       gpair(i) = GradientPair{grad, hess};
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  704 |     });
      |     ~~                        
src/objective/../common/linalg_op.h:38:13: warning: possibly dangling reference to a temporary [-Wdangling-reference]
   38 |       auto& v = detail::Apply(t, linalg::UnravelIndex(i, t.Shape()));
      |             ^
src/objective/../common/linalg_op.h:38:30: note: the temporary was destroyed at the end of the full expression ‘xgboost::linalg::detail::Apply<xgboost::linalg::TensorView<const float, 2>&, std::tuple<long unsigned int, long unsigned int> >((* & t), xgboost::linalg::UnravelIndex(size_t, xgboost::common::Span<const long unsigned int, D>) [with long unsigned int D = 2; size_t = long unsigned int](xgboost::linalg::TensorView<T, kDim>::Shape() const [with T = const float; int kDim = 2]()))’
   38 |       auto& v = detail::Apply(t, linalg::UnravelIndex(i, t.Shape()));
      |                 ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/objective/multiclass_obj.cc -o src/objective/multiclass_obj.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/objective/multiclass_obj.cu:15,
                 from src/objective/multiclass_obj.cc:17:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/registry.h:13,
                 from src/objective/multiclass_obj.cc:7:
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = long int]’:
src/objective/multiclass_obj.cu:85:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const long int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/objective/rank_obj.cc -o src/objective/rank_obj.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/objective.h:12,
                 from src/objective/rank_obj.cu:7,
                 from src/objective/rank_obj.cc:16:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/objective/hinge.cc -o src/objective/hinge.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/objective.h:12,
                 from src/objective/hinge.cu:7,
                 from src/objective/hinge.cc:17:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/objective/aft_obj.cc -o src/objective/aft_obj.o
In file included from src/objective/aft_obj.cu:14,
                 from src/objective/aft_obj.cc:20:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/objective/adaptive.cc -o src/objective/adaptive.o
In file included from src/objective/../collective/communicator.h:5,
                 from src/objective/../collective/communicator-inl.h:7,
                 from src/objective/adaptive.h:10,
                 from src/objective/adaptive.cc:4:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./include/xgboost/logging.h:11,
                 from ./include/xgboost/json.h:8:
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_NE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/objective/../common/stats.h:123:5:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:202:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  202 | DEFINE_CHECK_FUNC(_NE, !=)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/objective/adaptive.cc:51:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:198:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  198 | DEFINE_CHECK_FUNC(_GT, >)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long int; Y = long unsigned int]’:
src/objective/adaptive.cc:58:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long int’ and ‘const long unsigned int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/gbm/gbm.cc -o src/gbm/gbm.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/gbm.h:14,
                 from src/gbm/gbm.cc:11:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/gbm/gbtree.cc -o src/gbm/gbtree.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/gbm/gbtree.h:21,
                 from src/gbm/gbtree.cc:7:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/./io.h:15,
                 from ./dmlc-core/include/dmlc/data.h:14,
                 from ./include/xgboost/data.h:11:
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_NE(const X&, const Y&) [with X = unsigned int; Y = int]’:
src/gbm/gbtree.h:251:5:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:202:24: warning: comparison of integer expressions of different signedness: ‘const unsigned int’ and ‘const int’ [-Wsign-compare]
  202 | DEFINE_CHECK_FUNC(_NE, !=)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LE(const X&, const Y&) [with X = int; Y = long unsigned int]’:
src/gbm/gbtree.h:312:9:   required from ‘xgboost::gbm::GBTree::FeatureScore(const std::string&, xgboost::common::Span<const int>, std::vector<unsigned int>*, std::vector<float, std::allocator<float> >*) const::<lambda(auto:5)> [with auto:5 = xgboost::gbm::GBTree::FeatureScore(const std::string&, xgboost::common::Span<const int>, std::vector<unsigned int>*, std::vector<float, std::allocator<float> >*) const::<lambda(const auto:6&, xgboost::bst_node_t, xgboost::bst_feature_t)>]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/gbm/gbtree.h:326:16:   required from here
  326 |       add_score([&](auto const&, bst_node_t, bst_feature_t split) {
      |       ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  327 |         gain_map[split] = split_counts[split];
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  328 |       });
      |       ~~        
./dmlc-core/include/dmlc/././logging.h:199:24: warning: comparison of integer expressions of different signedness: ‘const int’ and ‘const long unsigned int’ [-Wsign-compare]
  199 | DEFINE_CHECK_FUNC(_LE, <=)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = unsigned int; Y = int]’:
src/gbm/gbtree.h:373:5:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = int; Y = unsigned int]’:
src/gbm/gbtree.h:179:7:   required from ‘bool xgboost::gbm::detail::SliceTrees(int32_t, int32_t, int32_t, const xgboost::gbm::GBTreeModel&, uint32_t, Func) [with Func = xgboost::gbm::GBTree::Slice(int32_t, int32_t, int32_t, xgboost::GradientBooster*, bool*) const::<lambda(const auto:9&, const auto:10&)>; int32_t = int; uint32_t = unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/gbm/gbtree.cc:505:37:   required from here
  505 |   *out_of_bound = detail::SliceTrees(layer_begin, layer_end, step, this->model_, layer_trees,
      |                   ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  506 |                                      [&](auto const& in_it, auto const& out_it) {
      |                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  507 |                                        auto new_tree =
      |                                        ~~~~~~~~~~~~~~~
  508 |                                            std::make_unique<RegTree>(*this->model_.trees.at(in_it));
      |                                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  509 |                                        bst_group_t group = this->model_.tree_info[in_it];
      |                                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  510 |                                        out_trees.at(out_it) = std::move(new_tree);
      |                                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  511 |                                        out_trees_info.at(out_it) = group;
      |                                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  512 |                                      });
      |                                      ~~
./dmlc-core/include/dmlc/././logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const int’ and ‘const unsigned int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/gbm/gbtree_model.cc -o src/gbm/gbtree_model.o
In file included from src/gbm/gbtree_model.cc:6:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./include/xgboost/logging.h:11,
                 from ./include/xgboost/json.h:8:
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_NE(const X&, const Y&) [with X = unsigned int; Y = int]’:
src/gbm/gbtree.h:251:5:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:202:24: warning: comparison of integer expressions of different signedness: ‘const unsigned int’ and ‘const int’ [-Wsign-compare]
  202 | DEFINE_CHECK_FUNC(_NE, !=)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LE(const X&, const Y&) [with X = int; Y = long unsigned int]’:
src/gbm/gbtree.h:312:9:   required from ‘xgboost::gbm::GBTree::FeatureScore(const std::string&, xgboost::common::Span<const int>, std::vector<unsigned int>*, std::vector<float, std::allocator<float> >*) const::<lambda(auto:5)> [with auto:5 = xgboost::gbm::GBTree::FeatureScore(const std::string&, xgboost::common::Span<const int>, std::vector<unsigned int>*, std::vector<float, std::allocator<float> >*) const::<lambda(const auto:6&, xgboost::bst_node_t, xgboost::bst_feature_t)>]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/gbm/gbtree.h:326:16:   required from here
  326 |       add_score([&](auto const&, bst_node_t, bst_feature_t split) {
      |       ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  327 |         gain_map[split] = split_counts[split];
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  328 |       });
      |       ~~        
./dmlc-core/include/dmlc/logging.h:199:24: warning: comparison of integer expressions of different signedness: ‘const int’ and ‘const long unsigned int’ [-Wsign-compare]
  199 | DEFINE_CHECK_FUNC(_LE, <=)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = unsigned int; Y = int]’:
src/gbm/gbtree.h:373:5:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/gbm/gblinear.cc -o src/gbm/gblinear.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/gbm.h:14,
                 from src/gbm/gblinear.cc:17:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/./json.h:24,
                 from ./dmlc-core/include/dmlc/parameter.h:26,
                 from src/gbm/gblinear.cc:9:
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = unsigned int; Y = int]’:
src/gbm/gblinear.cc:66:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/gbm/gblinear_model.cc -o src/gbm/gblinear_model.o
In file included from src/gbm/gblinear_model.cc:7:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h: In instantiation of ‘class xgboost::JsonTypedArray<float, xgboost::Value::ValueKind::kNumberArray>’:
src/gbm/gblinear_model.cc:17:12:   required from here
   17 |   F32Array j_weights{n_weights};
      |            ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:148:7: note:   by ‘xgboost::JsonTypedArray<float, xgboost::Value::ValueKind::kNumberArray>& xgboost::JsonTypedArray<float, xgboost::Value::ValueKind::kNumberArray>::operator=(const xgboost::JsonTypedArray<float, xgboost::Value::ValueKind::kNumberArray>&)’
  148 | class JsonTypedArray : public Value {
      |       ^~~~~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/data/simple_dmatrix.cc -o src/data/simple_dmatrix.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/data/simple_dmatrix.cc:12:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/./io.h:15,
                 from ./dmlc-core/include/dmlc/data.h:14,
                 from ./include/xgboost/data.h:11:
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/../common/quantile.h:714:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/../common/row_set.h:101:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/array_interface.h:227:7:   required from ‘static void xgboost::ArrayInterfaceHandler::ExtractShape(const xgboost::JsonObject::Map&, size_t (&)[D]) [with int D = 2; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/array_interface.h:392:40:   required from ‘void xgboost::ArrayInterface<D, allow_mask>::Initialize(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  392 |     ArrayInterfaceHandler::ExtractShape(array, shape);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
src/data/array_interface.h:429:61:   required from ‘xgboost::ArrayInterface<D, allow_mask>::ArrayInterface(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  429 |   explicit ArrayInterface(Object::Map const &array) { this->Initialize(array); }
      |                                                       ~~~~~~^~~~~~~~~~
src/data/adapter.h:300:62:   required from here
  300 |     array_interface_ = ArrayInterface<2>(get<Object const>(j));
      |                                                              ^
./dmlc-core/include/dmlc/././logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/data/data.cc -o src/data/data.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/data/data.cc:5:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/./io.h:15,
                 from ./dmlc-core/include/dmlc/data.h:14,
                 from ./include/xgboost/data.h:11:
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/../data/array_interface.h:154:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/./../common/quantile.h:714:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = unsigned int; Y = int]’:
src/data/./sparse_page_source.h:266:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = int; Y = long unsigned int]’:
src/data/data.cc:237:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const int’ and ‘const long unsigned int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_NE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/data.cc:657:5:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:202:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  202 | DEFINE_CHECK_FUNC(_NE, !=)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/./sparse_page_source.h:119:5:   required from ‘bool xgboost::data::SparsePageSourceImpl<S>::ReadCache() [with S = xgboost::SparsePage]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/./sparse_page_source.h:222:25:   required from here
  222 |     if (!this->ReadCache()) {
      |          ~~~~~~~~~~~~~~~^~
./dmlc-core/include/dmlc/././logging.h:198:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  198 | DEFINE_CHECK_FUNC(_GT, >)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long int; Y = long unsigned int]’:
src/data/./sparse_page_source.h:144:5:   required from ‘bool xgboost::data::SparsePageSourceImpl<S>::ReadCache() [with S = xgboost::SparsePage]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/./sparse_page_source.h:222:25:   required from here
  222 |     if (!this->ReadCache()) {
      |          ~~~~~~~~~~~~~~~^~
./dmlc-core/include/dmlc/././logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long int’ and ‘const long unsigned int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/../data/array_interface.h:227:7:   required from ‘static void xgboost::ArrayInterfaceHandler::ExtractShape(const xgboost::JsonObject::Map&, size_t (&)[D]) [with int D = 2; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/../data/array_interface.h:392:40:   required from ‘void xgboost::ArrayInterface<D, allow_mask>::Initialize(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  392 |     ArrayInterfaceHandler::ExtractShape(array, shape);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
src/data/../data/array_interface.h:429:61:   required from ‘xgboost::ArrayInterface<D, allow_mask>::ArrayInterface(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  429 |   explicit ArrayInterface(Object::Map const &array) { this->Initialize(array); }
      |                                                       ~~~~~~^~~~~~~~~~
src/data/../data/adapter.h:300:62:   required from here
  300 |     array_interface_ = ArrayInterface<2>(get<Object const>(j));
      |                                                              ^
./dmlc-core/include/dmlc/././logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/data/sparse_page_raw_format.cc -o src/data/sparse_page_raw_format.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/data/sparse_page_raw_format.cc:6:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/data/ellpack_page.cc -o src/data/ellpack_page.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/data/ellpack_page.cc:6:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/data/gradient_index.cc -o src/data/gradient_index.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/data/../common/categorical.h:12,
                 from src/data/gradient_index.h:14,
                 from src/data/gradient_index.cc:5:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from src/data/gradient_index.cc:12:
src/data/../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = unsigned char; bool any_missing = true; xgboost::bst_feature_t = unsigned int]’:
src/data/gradient_index.cc:197:69:   required from ‘xgboost::GHistIndexMatrix::GetFvalue(const std::vector<unsigned int>&, const std::vector<float, std::allocator<float> >&, const std::vector<float, std::allocator<float> >&, xgboost::bst_row_t, xgboost::bst_feature_t, bool) const::<lambda(auto:22)> [with auto:22 = unsigned char]’
  197 |           auto column = columns_->DenseColumn<decltype(dtype), true>(fidx);
      |                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/../common/hist_util.h:189:16:   required from ‘auto xgboost::common::DispatchBinType(BinTypeSize, Fn&&) [with Fn = xgboost::GHistIndexMatrix::GetFvalue(const std::vector<unsigned int>&, const std::vector<float, std::allocator<float> >&, const std::vector<float, std::allocator<float> >&, xgboost::bst_row_t, xgboost::bst_feature_t, bool) const::<lambda(auto:22)>]’
  189 |       return fn(uint8_t{});
      |              ~~^~~~~~~~~~~
src/data/gradient_index.cc:196:39:   required from here
  196 |         return common::DispatchBinType(columns_->GetTypeSize(), [&](auto dtype) {
      |                ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  197 |           auto column = columns_->DenseColumn<decltype(dtype), true>(fidx);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  198 |           return get_bin_val(column);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~  
  199 |         });
      |         ~~                             
src/data/../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/data/../common/column_matrix.h:260:94: note: remove ‘std::move’ call
src/data/../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = short unsigned int; bool any_missing = true; xgboost::bst_feature_t = unsigned int]’:
src/data/gradient_index.cc:197:69:   required from ‘xgboost::GHistIndexMatrix::GetFvalue(const std::vector<unsigned int>&, const std::vector<float, std::allocator<float> >&, const std::vector<float, std::allocator<float> >&, xgboost::bst_row_t, xgboost::bst_feature_t, bool) const::<lambda(auto:22)> [with auto:22 = short unsigned int]’
  197 |           auto column = columns_->DenseColumn<decltype(dtype), true>(fidx);
      |                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/../common/hist_util.h:192:16:   required from ‘auto xgboost::common::DispatchBinType(BinTypeSize, Fn&&) [with Fn = xgboost::GHistIndexMatrix::GetFvalue(const std::vector<unsigned int>&, const std::vector<float, std::allocator<float> >&, const std::vector<float, std::allocator<float> >&, xgboost::bst_row_t, xgboost::bst_feature_t, bool) const::<lambda(auto:22)>]’
  192 |       return fn(uint16_t{});
      |              ~~^~~~~~~~~~~~
src/data/gradient_index.cc:196:39:   required from here
  196 |         return common::DispatchBinType(columns_->GetTypeSize(), [&](auto dtype) {
      |                ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  197 |           auto column = columns_->DenseColumn<decltype(dtype), true>(fidx);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  198 |           return get_bin_val(column);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~  
  199 |         });
      |         ~~                             
src/data/../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/data/../common/column_matrix.h:260:94: note: remove ‘std::move’ call
src/data/../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = unsigned int; bool any_missing = true; xgboost::bst_feature_t = unsigned int]’:
src/data/gradient_index.cc:197:69:   required from ‘xgboost::GHistIndexMatrix::GetFvalue(const std::vector<unsigned int>&, const std::vector<float, std::allocator<float> >&, const std::vector<float, std::allocator<float> >&, xgboost::bst_row_t, xgboost::bst_feature_t, bool) const::<lambda(auto:22)> [with auto:22 = unsigned int]’
  197 |           auto column = columns_->DenseColumn<decltype(dtype), true>(fidx);
      |                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/../common/hist_util.h:195:16:   required from ‘auto xgboost::common::DispatchBinType(BinTypeSize, Fn&&) [with Fn = xgboost::GHistIndexMatrix::GetFvalue(const std::vector<unsigned int>&, const std::vector<float, std::allocator<float> >&, const std::vector<float, std::allocator<float> >&, xgboost::bst_row_t, xgboost::bst_feature_t, bool) const::<lambda(auto:22)>]’
  195 |       return fn(uint32_t{});
      |              ~~^~~~~~~~~~~~
src/data/gradient_index.cc:196:39:   required from here
  196 |         return common::DispatchBinType(columns_->GetTypeSize(), [&](auto dtype) {
      |                ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  197 |           auto column = columns_->DenseColumn<decltype(dtype), true>(fidx);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  198 |           return get_bin_val(column);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~  
  199 |         });
      |         ~~                             
src/data/../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/data/../common/column_matrix.h:260:94: note: remove ‘std::move’ call
src/data/../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = unsigned char; bool any_missing = false; xgboost::bst_feature_t = unsigned int]’:
src/data/gradient_index.cc:202:70:   required from ‘xgboost::GHistIndexMatrix::GetFvalue(const std::vector<unsigned int>&, const std::vector<float, std::allocator<float> >&, const std::vector<float, std::allocator<float> >&, xgboost::bst_row_t, xgboost::bst_feature_t, bool) const::<lambda(auto:23)> [with auto:23 = unsigned char]’
  202 |           auto column = columns_->DenseColumn<decltype(dtype), false>(fidx);
      |                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/../common/hist_util.h:189:16:   required from ‘auto xgboost::common::DispatchBinType(BinTypeSize, Fn&&) [with Fn = xgboost::GHistIndexMatrix::GetFvalue(const std::vector<unsigned int>&, const std::vector<float, std::allocator<float> >&, const std::vector<float, std::allocator<float> >&, xgboost::bst_row_t, xgboost::bst_feature_t, bool) const::<lambda(auto:23)>]’
  189 |       return fn(uint8_t{});
      |              ~~^~~~~~~~~~~
src/data/gradient_index.cc:201:39:   required from here
  201 |         return common::DispatchBinType(columns_->GetTypeSize(), [&](auto dtype) {
      |                ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  202 |           auto column = columns_->DenseColumn<decltype(dtype), false>(fidx);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  203 |           auto bin_idx = column[ridx];
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
  204 |           return common::HistogramCuts::NumericBinValue(ptrs, values, mins, fidx, bin_idx);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  205 |         });
      |         ~~                             
src/data/../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/data/../common/column_matrix.h:260:94: note: remove ‘std::move’ call
src/data/../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = short unsigned int; bool any_missing = false; xgboost::bst_feature_t = unsigned int]’:
src/data/gradient_index.cc:202:70:   required from ‘xgboost::GHistIndexMatrix::GetFvalue(const std::vector<unsigned int>&, const std::vector<float, std::allocator<float> >&, const std::vector<float, std::allocator<float> >&, xgboost::bst_row_t, xgboost::bst_feature_t, bool) const::<lambda(auto:23)> [with auto:23 = short unsigned int]’
  202 |           auto column = columns_->DenseColumn<decltype(dtype), false>(fidx);
      |                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/../common/hist_util.h:192:16:   required from ‘auto xgboost::common::DispatchBinType(BinTypeSize, Fn&&) [with Fn = xgboost::GHistIndexMatrix::GetFvalue(const std::vector<unsigned int>&, const std::vector<float, std::allocator<float> >&, const std::vector<float, std::allocator<float> >&, xgboost::bst_row_t, xgboost::bst_feature_t, bool) const::<lambda(auto:23)>]’
  192 |       return fn(uint16_t{});
      |              ~~^~~~~~~~~~~~
src/data/gradient_index.cc:201:39:   required from here
  201 |         return common::DispatchBinType(columns_->GetTypeSize(), [&](auto dtype) {
      |                ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  202 |           auto column = columns_->DenseColumn<decltype(dtype), false>(fidx);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  203 |           auto bin_idx = column[ridx];
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
  204 |           return common::HistogramCuts::NumericBinValue(ptrs, values, mins, fidx, bin_idx);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  205 |         });
      |         ~~                             
src/data/../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/data/../common/column_matrix.h:260:94: note: remove ‘std::move’ call
src/data/../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = unsigned int; bool any_missing = false; xgboost::bst_feature_t = unsigned int]’:
src/data/gradient_index.cc:202:70:   required from ‘xgboost::GHistIndexMatrix::GetFvalue(const std::vector<unsigned int>&, const std::vector<float, std::allocator<float> >&, const std::vector<float, std::allocator<float> >&, xgboost::bst_row_t, xgboost::bst_feature_t, bool) const::<lambda(auto:23)> [with auto:23 = unsigned int]’
  202 |           auto column = columns_->DenseColumn<decltype(dtype), false>(fidx);
      |                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/../common/hist_util.h:195:16:   required from ‘auto xgboost::common::DispatchBinType(BinTypeSize, Fn&&) [with Fn = xgboost::GHistIndexMatrix::GetFvalue(const std::vector<unsigned int>&, const std::vector<float, std::allocator<float> >&, const std::vector<float, std::allocator<float> >&, xgboost::bst_row_t, xgboost::bst_feature_t, bool) const::<lambda(auto:23)>]’
  195 |       return fn(uint32_t{});
      |              ~~^~~~~~~~~~~~
src/data/gradient_index.cc:201:39:   required from here
  201 |         return common::DispatchBinType(columns_->GetTypeSize(), [&](auto dtype) {
      |                ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  202 |           auto column = columns_->DenseColumn<decltype(dtype), false>(fidx);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  203 |           auto bin_idx = column[ridx];
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
  204 |           return common::HistogramCuts::NumericBinValue(ptrs, values, mins, fidx, bin_idx);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  205 |         });
      |         ~~                             
src/data/../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/data/../common/column_matrix.h:260:94: note: remove ‘std::move’ call
In file included from ./include/xgboost/logging.h:11,
                 from ./include/xgboost/span.h:33,
                 from src/data/../common/bitfield.h:22,
                 from src/data/../common/categorical.h:10:
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/../common/quantile.h:714:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/../common/row_set.h:101:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/array_interface.h:227:7:   required from ‘static void xgboost::ArrayInterfaceHandler::ExtractShape(const xgboost::JsonObject::Map&, size_t (&)[D]) [with int D = 2; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/array_interface.h:392:40:   required from ‘void xgboost::ArrayInterface<D, allow_mask>::Initialize(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  392 |     ArrayInterfaceHandler::ExtractShape(array, shape);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
src/data/array_interface.h:429:61:   required from ‘xgboost::ArrayInterface<D, allow_mask>::ArrayInterface(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  429 |   explicit ArrayInterface(Object::Map const &array) { this->Initialize(array); }
      |                                                       ~~~~~~^~~~~~~~~~
src/data/adapter.h:300:62:   required from here
  300 |     array_interface_ = ArrayInterface<2>(get<Object const>(j));
      |                                                              ^
./dmlc-core/include/dmlc/logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/data/gradient_index_page_source.cc -o src/data/gradient_index_page_source.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/data/../common/categorical.h:12,
                 from src/data/gradient_index.h:14,
                 from src/data/gradient_index_page_source.h:10,
                 from src/data/gradient_index_page_source.cc:4:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./include/xgboost/logging.h:11,
                 from ./include/xgboost/span.h:33,
                 from src/data/../common/bitfield.h:22,
                 from src/data/../common/categorical.h:10:
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/../common/quantile.h:714:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/../common/row_set.h:101:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = unsigned int; Y = int]’:
src/data/sparse_page_source.h:266:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_NE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/gradient_index_page_source.cc:18:5:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:202:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  202 | DEFINE_CHECK_FUNC(_NE, !=)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/sparse_page_source.h:119:5:   required from ‘bool xgboost::data::SparsePageSourceImpl<S>::ReadCache() [with S = xgboost::SparsePage]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/sparse_page_source.h:222:25:   required from here
  222 |     if (!this->ReadCache()) {
      |          ~~~~~~~~~~~~~~~^~
./dmlc-core/include/dmlc/logging.h:198:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  198 | DEFINE_CHECK_FUNC(_GT, >)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long int; Y = long unsigned int]’:
src/data/sparse_page_source.h:144:5:   required from ‘bool xgboost::data::SparsePageSourceImpl<S>::ReadCache() [with S = xgboost::SparsePage]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/sparse_page_source.h:222:25:   required from here
  222 |     if (!this->ReadCache()) {
      |          ~~~~~~~~~~~~~~~^~
./dmlc-core/include/dmlc/logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long int’ and ‘const long unsigned int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/array_interface.h:227:7:   required from ‘static void xgboost::ArrayInterfaceHandler::ExtractShape(const xgboost::JsonObject::Map&, size_t (&)[D]) [with int D = 2; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/array_interface.h:392:40:   required from ‘void xgboost::ArrayInterface<D, allow_mask>::Initialize(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  392 |     ArrayInterfaceHandler::ExtractShape(array, shape);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
src/data/array_interface.h:429:61:   required from ‘xgboost::ArrayInterface<D, allow_mask>::ArrayInterface(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  429 |   explicit ArrayInterface(Object::Map const &array) { this->Initialize(array); }
      |                                                       ~~~~~~^~~~~~~~~~
src/data/adapter.h:300:62:   required from here
  300 |     array_interface_ = ArrayInterface<2>(get<Object const>(j));
      |                                                              ^
./dmlc-core/include/dmlc/logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/data/gradient_index_format.cc -o src/data/gradient_index_format.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/data/sparse_page_writer.h:9,
                 from src/data/gradient_index_format.cc:4:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/./io.h:15,
                 from ./dmlc-core/include/dmlc/data.h:14,
                 from ./include/xgboost/data.h:11:
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/../common/quantile.h:714:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/../common/row_set.h:101:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/array_interface.h:227:7:   required from ‘static void xgboost::ArrayInterfaceHandler::ExtractShape(const xgboost::JsonObject::Map&, size_t (&)[D]) [with int D = 2; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/array_interface.h:392:40:   required from ‘void xgboost::ArrayInterface<D, allow_mask>::Initialize(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  392 |     ArrayInterfaceHandler::ExtractShape(array, shape);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
src/data/array_interface.h:429:61:   required from ‘xgboost::ArrayInterface<D, allow_mask>::ArrayInterface(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  429 |   explicit ArrayInterface(Object::Map const &array) { this->Initialize(array); }
      |                                                       ~~~~~~^~~~~~~~~~
src/data/adapter.h:300:62:   required from here
  300 |     array_interface_ = ArrayInterface<2>(get<Object const>(j));
      |                                                              ^
./dmlc-core/include/dmlc/././logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/data/sparse_page_dmatrix.cc -o src/data/sparse_page_dmatrix.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/data/./sparse_page_dmatrix.h:10,
                 from src/data/sparse_page_dmatrix.cc:7:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/./io.h:15,
                 from ./dmlc-core/include/dmlc/data.h:14,
                 from ./include/xgboost/data.h:11:
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/./../common/quantile.h:714:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/./../common/row_set.h:101:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = unsigned int; Y = int]’:
src/data/./sparse_page_source.h:266:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_NE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/sparse_page_dmatrix.cc:100:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:202:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  202 | DEFINE_CHECK_FUNC(_NE, !=)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/./sparse_page_source.h:119:5:   required from ‘bool xgboost::data::SparsePageSourceImpl<S>::ReadCache() [with S = xgboost::SparsePage]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/./sparse_page_source.h:222:25:   required from here
  222 |     if (!this->ReadCache()) {
      |          ~~~~~~~~~~~~~~~^~
./dmlc-core/include/dmlc/././logging.h:198:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  198 | DEFINE_CHECK_FUNC(_GT, >)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long int; Y = long unsigned int]’:
src/data/./sparse_page_source.h:144:5:   required from ‘bool xgboost::data::SparsePageSourceImpl<S>::ReadCache() [with S = xgboost::SparsePage]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/./sparse_page_source.h:222:25:   required from here
  222 |     if (!this->ReadCache()) {
      |          ~~~~~~~~~~~~~~~^~
./dmlc-core/include/dmlc/././logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long int’ and ‘const long unsigned int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/./array_interface.h:227:7:   required from ‘static void xgboost::ArrayInterfaceHandler::ExtractShape(const xgboost::JsonObject::Map&, size_t (&)[D]) [with int D = 2; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/./array_interface.h:392:40:   required from ‘void xgboost::ArrayInterface<D, allow_mask>::Initialize(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  392 |     ArrayInterfaceHandler::ExtractShape(array, shape);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
src/data/./array_interface.h:429:61:   required from ‘xgboost::ArrayInterface<D, allow_mask>::ArrayInterface(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  429 |   explicit ArrayInterface(Object::Map const &array) { this->Initialize(array); }
      |                                                       ~~~~~~^~~~~~~~~~
src/data/./adapter.h:300:62:   required from here
  300 |     array_interface_ = ArrayInterface<2>(get<Object const>(j));
      |                                                              ^
./dmlc-core/include/dmlc/././logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/data/proxy_dmatrix.cc -o src/data/proxy_dmatrix.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/data/proxy_dmatrix.h:13,
                 from src/data/proxy_dmatrix.cc:6:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/any.h:17,
                 from src/data/proxy_dmatrix.h:7:
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/array_interface.h:154:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/array_interface.h:227:7:   required from ‘static void xgboost::ArrayInterfaceHandler::ExtractShape(const xgboost::JsonObject::Map&, size_t (&)[D]) [with int D = 2; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/array_interface.h:392:40:   required from ‘void xgboost::ArrayInterface<D, allow_mask>::Initialize(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  392 |     ArrayInterfaceHandler::ExtractShape(array, shape);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
src/data/array_interface.h:429:61:   required from ‘xgboost::ArrayInterface<D, allow_mask>::ArrayInterface(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  429 |   explicit ArrayInterface(Object::Map const &array) { this->Initialize(array); }
      |                                                       ~~~~~~^~~~~~~~~~
src/data/adapter.h:300:62:   required from here
  300 |     array_interface_ = ArrayInterface<2>(get<Object const>(j));
      |                                                              ^
./dmlc-core/include/dmlc/./logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/data/iterative_dmatrix.cc -o src/data/iterative_dmatrix.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/data/proxy_dmatrix.h:13,
                 from src/data/iterative_dmatrix.h:13,
                 from src/data/iterative_dmatrix.cc:4:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/any.h:17,
                 from src/data/proxy_dmatrix.h:7:
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/array_interface.h:154:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/../common/../data/../common/quantile.h:714:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/data/array_interface.h:227:7:   required from ‘static void xgboost::ArrayInterfaceHandler::ExtractShape(const xgboost::JsonObject::Map&, size_t (&)[D]) [with int D = 2; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/data/array_interface.h:392:40:   required from ‘void xgboost::ArrayInterface<D, allow_mask>::Initialize(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  392 |     ArrayInterfaceHandler::ExtractShape(array, shape);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
src/data/array_interface.h:429:61:   required from ‘xgboost::ArrayInterface<D, allow_mask>::ArrayInterface(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  429 |   explicit ArrayInterface(Object::Map const &array) { this->Initialize(array); }
      |                                                       ~~~~~~^~~~~~~~~~
src/data/adapter.h:300:62:   required from here
  300 |     array_interface_ = ArrayInterface<2>(get<Object const>(j));
      |                                                              ^
./dmlc-core/include/dmlc/./logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/predictor/predictor.cc -o src/predictor/predictor.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/predictor.h:9,
                 from src/predictor/predictor.cc:7:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/registry.h:13,
                 from src/predictor/predictor.cc:4:
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_NE(const X&, const Y&) [with X = unsigned int; Y = int]’:
src/predictor/../gbm/gbtree.h:251:5:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:202:24: warning: comparison of integer expressions of different signedness: ‘const unsigned int’ and ‘const int’ [-Wsign-compare]
  202 | DEFINE_CHECK_FUNC(_NE, !=)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LE(const X&, const Y&) [with X = int; Y = long unsigned int]’:
src/predictor/../gbm/gbtree.h:312:9:   required from ‘xgboost::gbm::GBTree::FeatureScore(const std::string&, xgboost::common::Span<const int>, std::vector<unsigned int>*, std::vector<float, std::allocator<float> >*) const::<lambda(auto:5)> [with auto:5 = xgboost::gbm::GBTree::FeatureScore(const std::string&, xgboost::common::Span<const int>, std::vector<unsigned int>*, std::vector<float, std::allocator<float> >*) const::<lambda(const auto:6&, xgboost::bst_node_t, xgboost::bst_feature_t)>]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/predictor/../gbm/gbtree.h:326:16:   required from here
  326 |       add_score([&](auto const&, bst_node_t, bst_feature_t split) {
      |       ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  327 |         gain_map[split] = split_counts[split];
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  328 |       });
      |       ~~        
./dmlc-core/include/dmlc/./logging.h:199:24: warning: comparison of integer expressions of different signedness: ‘const int’ and ‘const long unsigned int’ [-Wsign-compare]
  199 | DEFINE_CHECK_FUNC(_LE, <=)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = unsigned int; Y = int]’:
src/predictor/../gbm/gbtree.h:373:5:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/predictor/cpu_predictor.cc -o src/predictor/cpu_predictor.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/predictor/../common/categorical.h:12,
                 from src/predictor/cpu_predictor.cc:11:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/any.h:17,
                 from src/predictor/cpu_predictor.cc:4:
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/predictor/../data/array_interface.h:154:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/predictor/../data/../common/quantile.h:714:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_NE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/predictor/cpu_predictor.cc:500:5:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:202:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  202 | DEFINE_CHECK_FUNC(_NE, !=)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/predictor/../data/array_interface.h:227:7:   required from ‘static void xgboost::ArrayInterfaceHandler::ExtractShape(const xgboost::JsonObject::Map&, size_t (&)[D]) [with int D = 2; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/predictor/../data/array_interface.h:392:40:   required from ‘void xgboost::ArrayInterface<D, allow_mask>::Initialize(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  392 |     ArrayInterfaceHandler::ExtractShape(array, shape);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
src/predictor/../data/array_interface.h:429:61:   required from ‘xgboost::ArrayInterface<D, allow_mask>::ArrayInterface(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  429 |   explicit ArrayInterface(Object::Map const &array) { this->Initialize(array); }
      |                                                       ~~~~~~^~~~~~~~~~
src/predictor/../data/adapter.h:300:62:   required from here
  300 |     array_interface_ = ArrayInterface<2>(get<Object const>(j));
      |                                                              ^
./dmlc-core/include/dmlc/./logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/tree/constraints.cc -o src/tree/constraints.o
In file included from src/tree/constraints.cc:9:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/tree/param.cc -o src/tree/param.o
In file included from src/tree/param.cc:8:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/tree/tree_model.cc -o src/tree/tree_model.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/tree_model.h:14,
                 from src/tree/tree_model.cc:9:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h: In instantiation of ‘class xgboost::JsonTypedArray<long int, xgboost::Value::ValueKind::kI64Array>’:
src/tree/tree_model.cc:988:12:   required from here
  988 |   I64Array categories_segments;
      |            ^~~~~~~~~~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:148:7: note:   by ‘xgboost::JsonTypedArray<long int, xgboost::Value::ValueKind::kI64Array>& xgboost::JsonTypedArray<long int, xgboost::Value::ValueKind::kI64Array>::operator=(const xgboost::JsonTypedArray<long int, xgboost::Value::ValueKind::kI64Array>&)’
  148 | class JsonTypedArray : public Value {
      |       ^~~~~~~~~~~~~~
./include/xgboost/json.h: In instantiation of ‘class xgboost::JsonTypedArray<int, xgboost::Value::ValueKind::kI32Array>’:
src/tree/tree_model.cc:990:12:   required from here
  990 |   I32Array categories;        // bst_cat_t = int32_t
      |            ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:148:7: note:   by ‘xgboost::JsonTypedArray<int, xgboost::Value::ValueKind::kI32Array>& xgboost::JsonTypedArray<int, xgboost::Value::ValueKind::kI32Array>::operator=(const xgboost::JsonTypedArray<int, xgboost::Value::ValueKind::kI32Array>&)’
  148 | class JsonTypedArray : public Value {
      |       ^~~~~~~~~~~~~~
./include/xgboost/json.h: In instantiation of ‘class xgboost::JsonTypedArray<float, xgboost::Value::ValueKind::kNumberArray>’:
src/tree/tree_model.cc:1155:32:   required from here
 1155 |   F32Array loss_changes(n_nodes);
      |                                ^
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:148:7: note:   by ‘xgboost::JsonTypedArray<float, xgboost::Value::ValueKind::kNumberArray>& xgboost::JsonTypedArray<float, xgboost::Value::ValueKind::kNumberArray>::operator=(const xgboost::JsonTypedArray<float, xgboost::Value::ValueKind::kNumberArray>&)’
  148 | class JsonTypedArray : public Value {
      |       ^~~~~~~~~~~~~~
./include/xgboost/json.h: In instantiation of ‘class xgboost::JsonTypedArray<unsigned char, xgboost::Value::ValueKind::kU8Array>’:
src/tree/tree_model.cc:1166:31:   required from here
 1166 |   U8Array default_left(n_nodes);
      |                               ^
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:148:7: note:   by ‘xgboost::JsonTypedArray<unsigned char, xgboost::Value::ValueKind::kU8Array>& xgboost::JsonTypedArray<unsigned char, xgboost::Value::ValueKind::kU8Array>::operator=(const xgboost::JsonTypedArray<unsigned char, xgboost::Value::ValueKind::kU8Array>&)’
  148 | class JsonTypedArray : public Value {
      |       ^~~~~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/registry.h:13,
                 from src/tree/tree_model.cc:6:
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/tree/tree_model.cc:985:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_NE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/tree/tree_model.cc:1008:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:202:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  202 | DEFINE_CHECK_FUNC(_NE, !=)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = int; Y = long unsigned int]’:
src/tree/tree_model.cc:1069:3:   required from ‘bool xgboost::LoadModelImpl(const Json&, TreeParam*, std::vector<RTreeNodeStat>*, std::vector<FeatureType, std::allocator<FeatureType> >*, std::vector<RegTree::Node>*, std::vector<RegTree::Segment>*) [with bool typed = true; bool feature_is_64 = true; FloatArrayT = const JsonTypedArray<float, xgboost::Value::ValueKind::kNumberArray>; U8ArrayT = const JsonTypedArray<unsigned char, xgboost::Value::ValueKind::kU8Array>; I32ArrayT = const JsonTypedArray<int, xgboost::Value::ValueKind::kI32Array>; I64ArrayT = const JsonTypedArray<long int, xgboost::Value::ValueKind::kI64Array>; IndexArrayT = const JsonTypedArray<long int, xgboost::Value::ValueKind::kI64Array>]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/tree/tree_model.cc:1099:40:   required from here
 1099 |     has_cat = LoadModelImpl<true, true>(in, &param, &stats_, &split_types_, &nodes_,
      |               ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 1100 |                                         &split_categories_segments_);
      |                                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./dmlc-core/include/dmlc/./logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const int’ and ‘const long unsigned int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/tree/tree_updater.cc -o src/tree/tree_updater.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/tree_updater.h:13,
                 from src/tree/tree_updater.cc:8:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/tree/updater_approx.cc -o src/tree/updater_approx.o
In file included from src/tree/../common/../collective/communicator.h:5,
                 from src/tree/../common/../collective/communicator-inl.h:7,
                 from src/tree/../common/random.h:22,
                 from src/tree/updater_approx.cc:10:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./include/xgboost/logging.h:11,
                 from src/tree/../common/random.h:10:
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/tree/../data/../common/quantile.h:714:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/tree/../data/../common/row_set.h:101:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = int; Y = long unsigned int]’:
src/tree/updater_approx.cc:69:9:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const int’ and ‘const long unsigned int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
In file included from src/tree/../common/partition_builder.h:19,
                 from src/tree/common_row_partitioner.h:13,
                 from src/tree/updater_approx.cc:12:
src/tree/../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = unsigned char; bool any_missing = true; xgboost::bst_feature_t = unsigned int]’:
src/tree/../common/partition_builder.h:173:73:   required from ‘void xgboost::common::PartitionBuilder<BlockSize>::Partition(size_t, const std::vector<xgboost::tree::CPUExpandEntry>&, xgboost::common::Range1d, xgboost::bst_bin_t, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const xgboost::RegTree&, const size_t*) [with BinIdxType = unsigned char; bool any_missing = true; bool any_cat = true; long unsigned int BlockSize = 2048; size_t = long unsigned int; xgboost::bst_bin_t = int]’
  173 |         auto column = column_matrix.DenseColumn<BinIdxType, any_missing>(fid);
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
src/tree/common_row_partitioner.h:165:78:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with BinIdxType = unsigned char; bool any_missing = true; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  165 |       partition_builder_.template Partition<BinIdxType, any_missing, any_cat>(
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
  166 |           node_in_set, nodes, r, split_cond, gmat, column_matrix, *p_tree,
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    
  167 |           row_set_collection_[nid].begin);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                                     
src/tree/common_row_partitioner.h:87:57:   required from here
   87 |       this->template UpdatePosition<uint8_t, true, true>(ctx, gmat, column_matrix, nodes, p_tree);
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/tree/../common/column_matrix.h:260:94: note: remove ‘std::move’ call
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/tree/hist/histogram.h:65:5:   required from ‘void xgboost::tree::HistogramBuilder<ExpandEntry>::BuildLocalHistograms(size_t, xgboost::common::BlockedSpace2d, const xgboost::GHistIndexMatrix&, const std::vector<T>&, const xgboost::common::RowSetCollection&, const std::vector<xgboost::detail::GradientPairInternal<float> >&, bool) [with bool any_missing = false; ExpandEntry = xgboost::tree::CPUExpandEntry; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/tree/hist/histogram.h:127:40:   required from ‘void xgboost::tree::HistogramBuilder<ExpandEntry>::BuildHist(size_t, xgboost::common::BlockedSpace2d, const xgboost::GHistIndexMatrix&, xgboost::RegTree*, const xgboost::common::RowSetCollection&, const std::vector<T>&, const std::vector<T>&, const std::vector<xgboost::detail::GradientPairInternal<float> >&, bool) [with ExpandEntry = xgboost::tree::CPUExpandEntry; size_t = long unsigned int]’
  127 |       this->BuildLocalHistograms<false>(page_id, space, gidx,
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
  128 |                                         nodes_for_explicit_hist_build,
      |                                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  129 |                                         row_set_collection, gpair,
      |                                         ~~~~~~~~~~~~~~~~~~~~~~~~~~
  130 |                                         force_read_by_column);
      |                                         ~~~~~~~~~~~~~~~~~~~~~
src/tree/updater_approx.cc:95:35:   required from here
   95 |       histogram_builder_.BuildHist(i, space, page, p_tree, partitioner_.at(i).Partitions(), nodes,
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   96 |                                    {}, gpair);
      |                                    ~~~~~~~~~~
./dmlc-core/include/dmlc/logging.h:198:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  198 | DEFINE_CHECK_FUNC(_GT, >)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/tree/../data/array_interface.h:227:7:   required from ‘static void xgboost::ArrayInterfaceHandler::ExtractShape(const xgboost::JsonObject::Map&, size_t (&)[D]) [with int D = 2; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/tree/../data/array_interface.h:392:40:   required from ‘void xgboost::ArrayInterface<D, allow_mask>::Initialize(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  392 |     ArrayInterfaceHandler::ExtractShape(array, shape);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
src/tree/../data/array_interface.h:429:61:   required from ‘xgboost::ArrayInterface<D, allow_mask>::ArrayInterface(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  429 |   explicit ArrayInterface(Object::Map const &array) { this->Initialize(array); }
      |                                                       ~~~~~~^~~~~~~~~~
src/tree/../data/adapter.h:300:62:   required from here
  300 |     array_interface_ = ArrayInterface<2>(get<Object const>(j));
      |                                                              ^
./dmlc-core/include/dmlc/logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
src/tree/../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = short unsigned int; bool any_missing = true; xgboost::bst_feature_t = unsigned int]’:
src/tree/../common/partition_builder.h:173:73:   required from ‘void xgboost::common::PartitionBuilder<BlockSize>::Partition(size_t, const std::vector<xgboost::tree::CPUExpandEntry>&, xgboost::common::Range1d, xgboost::bst_bin_t, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const xgboost::RegTree&, const size_t*) [with BinIdxType = short unsigned int; bool any_missing = true; bool any_cat = true; long unsigned int BlockSize = 2048; size_t = long unsigned int; xgboost::bst_bin_t = int]’
  173 |         auto column = column_matrix.DenseColumn<BinIdxType, any_missing>(fid);
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
src/tree/common_row_partitioner.h:165:78:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with BinIdxType = short unsigned int; bool any_missing = true; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  165 |       partition_builder_.template Partition<BinIdxType, any_missing, any_cat>(
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
  166 |           node_in_set, nodes, r, split_cond, gmat, column_matrix, *p_tree,
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    
  167 |           row_set_collection_[nid].begin);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                                     
src/tree/common_row_partitioner.h:112:70:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_missing = true; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  112 |         this->template UpdatePosition<uint16_t, any_missing, any_cat>(ctx, gmat, column_matrix,
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
  113 |                                                                       nodes, p_tree);
      |                                                                       ~~~~~~~~~~~~~~
src/tree/common_row_partitioner.h:96:51:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
   96 |       this->template UpdatePosition<true, any_cat>(ctx, gmat, column_matrix, nodes, p_tree);
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/common_row_partitioner.h:77:44:   required from here
   77 |         this->template UpdatePosition<true>(ctx, gmat, column_matrix, nodes, p_tree);
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/tree/../common/column_matrix.h:260:94: note: remove ‘std::move’ call
src/tree/../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = unsigned int; bool any_missing = true; xgboost::bst_feature_t = unsigned int]’:
src/tree/../common/partition_builder.h:173:73:   required from ‘void xgboost::common::PartitionBuilder<BlockSize>::Partition(size_t, const std::vector<xgboost::tree::CPUExpandEntry>&, xgboost::common::Range1d, xgboost::bst_bin_t, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const xgboost::RegTree&, const size_t*) [with BinIdxType = unsigned int; bool any_missing = true; bool any_cat = true; long unsigned int BlockSize = 2048; size_t = long unsigned int; xgboost::bst_bin_t = int]’
  173 |         auto column = column_matrix.DenseColumn<BinIdxType, any_missing>(fid);
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
src/tree/common_row_partitioner.h:165:78:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with BinIdxType = unsigned int; bool any_missing = true; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  165 |       partition_builder_.template Partition<BinIdxType, any_missing, any_cat>(
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
  166 |           node_in_set, nodes, r, split_cond, gmat, column_matrix, *p_tree,
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    
  167 |           row_set_collection_[nid].begin);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                                     
src/tree/common_row_partitioner.h:116:70:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_missing = true; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  116 |         this->template UpdatePosition<uint32_t, any_missing, any_cat>(ctx, gmat, column_matrix,
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
  117 |                                                                       nodes, p_tree);
      |                                                                       ~~~~~~~~~~~~~~
src/tree/common_row_partitioner.h:96:51:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
   96 |       this->template UpdatePosition<true, any_cat>(ctx, gmat, column_matrix, nodes, p_tree);
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/common_row_partitioner.h:77:44:   required from here
   77 |         this->template UpdatePosition<true>(ctx, gmat, column_matrix, nodes, p_tree);
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/tree/../common/column_matrix.h:260:94: note: remove ‘std::move’ call
src/tree/../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = unsigned char; bool any_missing = false; xgboost::bst_feature_t = unsigned int]’:
src/tree/../common/partition_builder.h:173:73:   required from ‘void xgboost::common::PartitionBuilder<BlockSize>::Partition(size_t, const std::vector<xgboost::tree::CPUExpandEntry>&, xgboost::common::Range1d, xgboost::bst_bin_t, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const xgboost::RegTree&, const size_t*) [with BinIdxType = unsigned char; bool any_missing = false; bool any_cat = true; long unsigned int BlockSize = 2048; size_t = long unsigned int; xgboost::bst_bin_t = int]’
  173 |         auto column = column_matrix.DenseColumn<BinIdxType, any_missing>(fid);
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
src/tree/common_row_partitioner.h:165:78:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with BinIdxType = unsigned char; bool any_missing = false; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  165 |       partition_builder_.template Partition<BinIdxType, any_missing, any_cat>(
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
  166 |           node_in_set, nodes, r, split_cond, gmat, column_matrix, *p_tree,
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    
  167 |           row_set_collection_[nid].begin);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                                     
src/tree/common_row_partitioner.h:108:69:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_missing = false; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  108 |         this->template UpdatePosition<uint8_t, any_missing, any_cat>(ctx, gmat, column_matrix,
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
  109 |                                                                      nodes, p_tree);
      |                                                                      ~~~~~~~~~~~~~~
src/tree/common_row_partitioner.h:98:52:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
   98 |       this->template UpdatePosition<false, any_cat>(ctx, gmat, column_matrix, nodes, p_tree);
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/common_row_partitioner.h:77:44:   required from here
   77 |         this->template UpdatePosition<true>(ctx, gmat, column_matrix, nodes, p_tree);
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/tree/../common/column_matrix.h:260:94: note: remove ‘std::move’ call
src/tree/../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = short unsigned int; bool any_missing = false; xgboost::bst_feature_t = unsigned int]’:
src/tree/../common/partition_builder.h:173:73:   required from ‘void xgboost::common::PartitionBuilder<BlockSize>::Partition(size_t, const std::vector<xgboost::tree::CPUExpandEntry>&, xgboost::common::Range1d, xgboost::bst_bin_t, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const xgboost::RegTree&, const size_t*) [with BinIdxType = short unsigned int; bool any_missing = false; bool any_cat = true; long unsigned int BlockSize = 2048; size_t = long unsigned int; xgboost::bst_bin_t = int]’
  173 |         auto column = column_matrix.DenseColumn<BinIdxType, any_missing>(fid);
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
src/tree/common_row_partitioner.h:165:78:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with BinIdxType = short unsigned int; bool any_missing = false; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  165 |       partition_builder_.template Partition<BinIdxType, any_missing, any_cat>(
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
  166 |           node_in_set, nodes, r, split_cond, gmat, column_matrix, *p_tree,
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    
  167 |           row_set_collection_[nid].begin);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                                     
src/tree/common_row_partitioner.h:112:70:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_missing = false; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  112 |         this->template UpdatePosition<uint16_t, any_missing, any_cat>(ctx, gmat, column_matrix,
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
  113 |                                                                       nodes, p_tree);
      |                                                                       ~~~~~~~~~~~~~~
src/tree/common_row_partitioner.h:98:52:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
   98 |       this->template UpdatePosition<false, any_cat>(ctx, gmat, column_matrix, nodes, p_tree);
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/common_row_partitioner.h:77:44:   required from here
   77 |         this->template UpdatePosition<true>(ctx, gmat, column_matrix, nodes, p_tree);
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/tree/../common/column_matrix.h:260:94: note: remove ‘std::move’ call
src/tree/../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = unsigned int; bool any_missing = false; xgboost::bst_feature_t = unsigned int]’:
src/tree/../common/partition_builder.h:173:73:   required from ‘void xgboost::common::PartitionBuilder<BlockSize>::Partition(size_t, const std::vector<xgboost::tree::CPUExpandEntry>&, xgboost::common::Range1d, xgboost::bst_bin_t, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const xgboost::RegTree&, const size_t*) [with BinIdxType = unsigned int; bool any_missing = false; bool any_cat = true; long unsigned int BlockSize = 2048; size_t = long unsigned int; xgboost::bst_bin_t = int]’
  173 |         auto column = column_matrix.DenseColumn<BinIdxType, any_missing>(fid);
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
src/tree/common_row_partitioner.h:165:78:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with BinIdxType = unsigned int; bool any_missing = false; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  165 |       partition_builder_.template Partition<BinIdxType, any_missing, any_cat>(
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
  166 |           node_in_set, nodes, r, split_cond, gmat, column_matrix, *p_tree,
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    
  167 |           row_set_collection_[nid].begin);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                                     
src/tree/common_row_partitioner.h:116:70:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_missing = false; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  116 |         this->template UpdatePosition<uint32_t, any_missing, any_cat>(ctx, gmat, column_matrix,
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
  117 |                                                                       nodes, p_tree);
      |                                                                       ~~~~~~~~~~~~~~
src/tree/common_row_partitioner.h:98:52:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
   98 |       this->template UpdatePosition<false, any_cat>(ctx, gmat, column_matrix, nodes, p_tree);
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/common_row_partitioner.h:77:44:   required from here
   77 |         this->template UpdatePosition<true>(ctx, gmat, column_matrix, nodes, p_tree);
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/tree/../common/column_matrix.h:260:94: note: remove ‘std::move’ call
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/tree/updater_colmaker.cc -o src/tree/updater_colmaker.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/tree_updater.h:13,
                 from src/tree/updater_colmaker.cc:12:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/tree/updater_prune.cc -o src/tree/updater_prune.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/tree_updater.h:13,
                 from src/tree/updater_prune.cc:7:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/tree/updater_quantile_hist.cc -o src/tree/updater_quantile_hist.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/tree_updater.h:13,
                 from src/tree/./updater_quantile_hist.h:10,
                 from src/tree/updater_quantile_hist.cc:7:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/registry.h:13,
                 from ./include/xgboost/tree_updater.h:11:
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/tree/./hist/../../common/quantile.h:714:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/tree/./hist/../../common/row_set.h:101:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = int; Y = long unsigned int]’:
src/tree/updater_quantile_hist.cc:312:9:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const int’ and ‘const long unsigned int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
In file included from src/tree/./../common/partition_builder.h:19,
                 from src/tree/./common_row_partitioner.h:13,
                 from src/tree/./updater_quantile_hist.h:27:
src/tree/./../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = unsigned char; bool any_missing = true; xgboost::bst_feature_t = unsigned int]’:
src/tree/./../common/partition_builder.h:173:73:   required from ‘void xgboost::common::PartitionBuilder<BlockSize>::Partition(size_t, const std::vector<xgboost::tree::CPUExpandEntry>&, xgboost::common::Range1d, xgboost::bst_bin_t, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const xgboost::RegTree&, const size_t*) [with BinIdxType = unsigned char; bool any_missing = true; bool any_cat = true; long unsigned int BlockSize = 2048; size_t = long unsigned int; xgboost::bst_bin_t = int]’
  173 |         auto column = column_matrix.DenseColumn<BinIdxType, any_missing>(fid);
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
src/tree/./common_row_partitioner.h:165:78:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with BinIdxType = unsigned char; bool any_missing = true; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  165 |       partition_builder_.template Partition<BinIdxType, any_missing, any_cat>(
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
  166 |           node_in_set, nodes, r, split_cond, gmat, column_matrix, *p_tree,
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    
  167 |           row_set_collection_[nid].begin);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                                     
src/tree/./common_row_partitioner.h:87:57:   required from here
   87 |       this->template UpdatePosition<uint8_t, true, true>(ctx, gmat, column_matrix, nodes, p_tree);
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/./../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/tree/./../common/column_matrix.h:260:94: note: remove ‘std::move’ call
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/tree/./hist/histogram.h:65:5:   required from ‘void xgboost::tree::HistogramBuilder<ExpandEntry>::BuildLocalHistograms(size_t, xgboost::common::BlockedSpace2d, const xgboost::GHistIndexMatrix&, const std::vector<T>&, const xgboost::common::RowSetCollection&, const std::vector<xgboost::detail::GradientPairInternal<float> >&, bool) [with bool any_missing = false; ExpandEntry = xgboost::tree::CPUExpandEntry; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/tree/./hist/histogram.h:127:40:   required from ‘void xgboost::tree::HistogramBuilder<ExpandEntry>::BuildHist(size_t, xgboost::common::BlockedSpace2d, const xgboost::GHistIndexMatrix&, xgboost::RegTree*, const xgboost::common::RowSetCollection&, const std::vector<T>&, const std::vector<T>&, const std::vector<xgboost::detail::GradientPairInternal<float> >&, bool) [with ExpandEntry = xgboost::tree::CPUExpandEntry; size_t = long unsigned int]’
  127 |       this->BuildLocalHistograms<false>(page_id, space, gidx,
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
  128 |                                         nodes_for_explicit_hist_build,
      |                                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  129 |                                         row_set_collection, gpair,
      |                                         ~~~~~~~~~~~~~~~~~~~~~~~~~~
  130 |                                         force_read_by_column);
      |                                         ~~~~~~~~~~~~~~~~~~~~~
src/tree/updater_quantile_hist.cc:73:40:   required from here
   73 |     this->histogram_builder_->BuildHist(page_id, space, gidx, p_tree,
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   74 |                                         partitioner_.at(page_id).Partitions(), nodes_to_build,
      |                                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   75 |                                         nodes_to_sub, gpair_h);
      |                                         ~~~~~~~~~~~~~~~~~~~~~~
./dmlc-core/include/dmlc/./logging.h:198:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  198 | DEFINE_CHECK_FUNC(_GT, >)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/tree/./hist/../../data/array_interface.h:227:7:   required from ‘static void xgboost::ArrayInterfaceHandler::ExtractShape(const xgboost::JsonObject::Map&, size_t (&)[D]) [with int D = 2; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/tree/./hist/../../data/array_interface.h:392:40:   required from ‘void xgboost::ArrayInterface<D, allow_mask>::Initialize(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  392 |     ArrayInterfaceHandler::ExtractShape(array, shape);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
src/tree/./hist/../../data/array_interface.h:429:61:   required from ‘xgboost::ArrayInterface<D, allow_mask>::ArrayInterface(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  429 |   explicit ArrayInterface(Object::Map const &array) { this->Initialize(array); }
      |                                                       ~~~~~~^~~~~~~~~~
src/tree/./hist/../../data/adapter.h:300:62:   required from here
  300 |     array_interface_ = ArrayInterface<2>(get<Object const>(j));
      |                                                              ^
./dmlc-core/include/dmlc/./logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
src/tree/./../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = short unsigned int; bool any_missing = true; xgboost::bst_feature_t = unsigned int]’:
src/tree/./../common/partition_builder.h:173:73:   required from ‘void xgboost::common::PartitionBuilder<BlockSize>::Partition(size_t, const std::vector<xgboost::tree::CPUExpandEntry>&, xgboost::common::Range1d, xgboost::bst_bin_t, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const xgboost::RegTree&, const size_t*) [with BinIdxType = short unsigned int; bool any_missing = true; bool any_cat = true; long unsigned int BlockSize = 2048; size_t = long unsigned int; xgboost::bst_bin_t = int]’
  173 |         auto column = column_matrix.DenseColumn<BinIdxType, any_missing>(fid);
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
src/tree/./common_row_partitioner.h:165:78:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with BinIdxType = short unsigned int; bool any_missing = true; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  165 |       partition_builder_.template Partition<BinIdxType, any_missing, any_cat>(
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
  166 |           node_in_set, nodes, r, split_cond, gmat, column_matrix, *p_tree,
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    
  167 |           row_set_collection_[nid].begin);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                                     
src/tree/./common_row_partitioner.h:112:70:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_missing = true; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  112 |         this->template UpdatePosition<uint16_t, any_missing, any_cat>(ctx, gmat, column_matrix,
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
  113 |                                                                       nodes, p_tree);
      |                                                                       ~~~~~~~~~~~~~~
src/tree/./common_row_partitioner.h:96:51:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
   96 |       this->template UpdatePosition<true, any_cat>(ctx, gmat, column_matrix, nodes, p_tree);
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/./common_row_partitioner.h:77:44:   required from here
   77 |         this->template UpdatePosition<true>(ctx, gmat, column_matrix, nodes, p_tree);
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/./../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/tree/./../common/column_matrix.h:260:94: note: remove ‘std::move’ call
src/tree/./../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = unsigned int; bool any_missing = true; xgboost::bst_feature_t = unsigned int]’:
src/tree/./../common/partition_builder.h:173:73:   required from ‘void xgboost::common::PartitionBuilder<BlockSize>::Partition(size_t, const std::vector<xgboost::tree::CPUExpandEntry>&, xgboost::common::Range1d, xgboost::bst_bin_t, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const xgboost::RegTree&, const size_t*) [with BinIdxType = unsigned int; bool any_missing = true; bool any_cat = true; long unsigned int BlockSize = 2048; size_t = long unsigned int; xgboost::bst_bin_t = int]’
  173 |         auto column = column_matrix.DenseColumn<BinIdxType, any_missing>(fid);
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
src/tree/./common_row_partitioner.h:165:78:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with BinIdxType = unsigned int; bool any_missing = true; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  165 |       partition_builder_.template Partition<BinIdxType, any_missing, any_cat>(
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
  166 |           node_in_set, nodes, r, split_cond, gmat, column_matrix, *p_tree,
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    
  167 |           row_set_collection_[nid].begin);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                                     
src/tree/./common_row_partitioner.h:116:70:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_missing = true; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  116 |         this->template UpdatePosition<uint32_t, any_missing, any_cat>(ctx, gmat, column_matrix,
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
  117 |                                                                       nodes, p_tree);
      |                                                                       ~~~~~~~~~~~~~~
src/tree/./common_row_partitioner.h:96:51:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
   96 |       this->template UpdatePosition<true, any_cat>(ctx, gmat, column_matrix, nodes, p_tree);
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/./common_row_partitioner.h:77:44:   required from here
   77 |         this->template UpdatePosition<true>(ctx, gmat, column_matrix, nodes, p_tree);
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/./../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/tree/./../common/column_matrix.h:260:94: note: remove ‘std::move’ call
src/tree/./../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = unsigned char; bool any_missing = false; xgboost::bst_feature_t = unsigned int]’:
src/tree/./../common/partition_builder.h:173:73:   required from ‘void xgboost::common::PartitionBuilder<BlockSize>::Partition(size_t, const std::vector<xgboost::tree::CPUExpandEntry>&, xgboost::common::Range1d, xgboost::bst_bin_t, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const xgboost::RegTree&, const size_t*) [with BinIdxType = unsigned char; bool any_missing = false; bool any_cat = true; long unsigned int BlockSize = 2048; size_t = long unsigned int; xgboost::bst_bin_t = int]’
  173 |         auto column = column_matrix.DenseColumn<BinIdxType, any_missing>(fid);
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
src/tree/./common_row_partitioner.h:165:78:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with BinIdxType = unsigned char; bool any_missing = false; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  165 |       partition_builder_.template Partition<BinIdxType, any_missing, any_cat>(
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
  166 |           node_in_set, nodes, r, split_cond, gmat, column_matrix, *p_tree,
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    
  167 |           row_set_collection_[nid].begin);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                                     
src/tree/./common_row_partitioner.h:108:69:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_missing = false; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  108 |         this->template UpdatePosition<uint8_t, any_missing, any_cat>(ctx, gmat, column_matrix,
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
  109 |                                                                      nodes, p_tree);
      |                                                                      ~~~~~~~~~~~~~~
src/tree/./common_row_partitioner.h:98:52:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
   98 |       this->template UpdatePosition<false, any_cat>(ctx, gmat, column_matrix, nodes, p_tree);
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/./common_row_partitioner.h:77:44:   required from here
   77 |         this->template UpdatePosition<true>(ctx, gmat, column_matrix, nodes, p_tree);
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/./../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/tree/./../common/column_matrix.h:260:94: note: remove ‘std::move’ call
src/tree/./../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = short unsigned int; bool any_missing = false; xgboost::bst_feature_t = unsigned int]’:
src/tree/./../common/partition_builder.h:173:73:   required from ‘void xgboost::common::PartitionBuilder<BlockSize>::Partition(size_t, const std::vector<xgboost::tree::CPUExpandEntry>&, xgboost::common::Range1d, xgboost::bst_bin_t, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const xgboost::RegTree&, const size_t*) [with BinIdxType = short unsigned int; bool any_missing = false; bool any_cat = true; long unsigned int BlockSize = 2048; size_t = long unsigned int; xgboost::bst_bin_t = int]’
  173 |         auto column = column_matrix.DenseColumn<BinIdxType, any_missing>(fid);
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
src/tree/./common_row_partitioner.h:165:78:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with BinIdxType = short unsigned int; bool any_missing = false; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  165 |       partition_builder_.template Partition<BinIdxType, any_missing, any_cat>(
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
  166 |           node_in_set, nodes, r, split_cond, gmat, column_matrix, *p_tree,
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    
  167 |           row_set_collection_[nid].begin);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                                     
src/tree/./common_row_partitioner.h:112:70:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_missing = false; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  112 |         this->template UpdatePosition<uint16_t, any_missing, any_cat>(ctx, gmat, column_matrix,
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
  113 |                                                                       nodes, p_tree);
      |                                                                       ~~~~~~~~~~~~~~
src/tree/./common_row_partitioner.h:98:52:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
   98 |       this->template UpdatePosition<false, any_cat>(ctx, gmat, column_matrix, nodes, p_tree);
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/./common_row_partitioner.h:77:44:   required from here
   77 |         this->template UpdatePosition<true>(ctx, gmat, column_matrix, nodes, p_tree);
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/./../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/tree/./../common/column_matrix.h:260:94: note: remove ‘std::move’ call
src/tree/./../common/column_matrix.h: In instantiation of ‘auto xgboost::common::ColumnMatrix::DenseColumn(xgboost::bst_feature_t) const [with BinIdxType = unsigned int; bool any_missing = false; xgboost::bst_feature_t = unsigned int]’:
src/tree/./../common/partition_builder.h:173:73:   required from ‘void xgboost::common::PartitionBuilder<BlockSize>::Partition(size_t, const std::vector<xgboost::tree::CPUExpandEntry>&, xgboost::common::Range1d, xgboost::bst_bin_t, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const xgboost::RegTree&, const size_t*) [with BinIdxType = unsigned int; bool any_missing = false; bool any_cat = true; long unsigned int BlockSize = 2048; size_t = long unsigned int; xgboost::bst_bin_t = int]’
  173 |         auto column = column_matrix.DenseColumn<BinIdxType, any_missing>(fid);
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
src/tree/./common_row_partitioner.h:165:78:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with BinIdxType = unsigned int; bool any_missing = false; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  165 |       partition_builder_.template Partition<BinIdxType, any_missing, any_cat>(
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
  166 |           node_in_set, nodes, r, split_cond, gmat, column_matrix, *p_tree,
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    
  167 |           row_set_collection_[nid].begin);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                                     
src/tree/./common_row_partitioner.h:116:70:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_missing = false; bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
  116 |         this->template UpdatePosition<uint32_t, any_missing, any_cat>(ctx, gmat, column_matrix,
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
  117 |                                                                       nodes, p_tree);
      |                                                                       ~~~~~~~~~~~~~~
src/tree/./common_row_partitioner.h:98:52:   required from ‘void xgboost::tree::CommonRowPartitioner::UpdatePosition(const xgboost::Context*, const xgboost::GHistIndexMatrix&, const xgboost::common::ColumnMatrix&, const std::vector<xgboost::tree::CPUExpandEntry>&, const xgboost::RegTree*) [with bool any_cat = true; xgboost::Context = xgboost::GenericParameter]’
   98 |       this->template UpdatePosition<false, any_cat>(ctx, gmat, column_matrix, nodes, p_tree);
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/./common_row_partitioner.h:77:44:   required from here
   77 |         this->template UpdatePosition<true>(ctx, gmat, column_matrix, nodes, p_tree);
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/tree/./../common/column_matrix.h:260:94: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
  260 |         bin_index, static_cast<bst_bin_t>(index_base_[fidx]), missing_flags_, feature_offset});
      |                                                                                              ^
src/tree/./../common/column_matrix.h:260:94: note: remove ‘std::move’ call
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/tree/updater_refresh.cc -o src/tree/updater_refresh.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/tree_updater.h:13,
                 from src/tree/updater_refresh.cc:7:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/tree/updater_sync.cc -o src/tree/updater_sync.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/tree_updater.h:13,
                 from src/tree/updater_sync.cc:6:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/linear/linear_updater.cc -o src/linear/linear_updater.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/linear_updater.h:8,
                 from src/linear/linear_updater.cc:4:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/linear/updater_coordinate.cc -o src/linear/updater_coordinate.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/linear_updater.h:8,
                 from src/linear/updater_coordinate.cc:6:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/linear/updater_shotgun.cc -o src/linear/updater_shotgun.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/linear_updater.h:8,
                 from src/linear/updater_shotgun.cc:6:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/learner.cc -o src/learner.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from ./include/xgboost/predictor.h:9,
                 from ./include/xgboost/learner.h:16,
                 from src/learner.cc:7:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./include/xgboost/logging.h:11,
                 from ./include/xgboost/feature_map.h:10,
                 from ./include/xgboost/learner.h:12:
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/learner.cc:251:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_NE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/learner.cc:425:5:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:202:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  202 | DEFINE_CHECK_FUNC(_NE, !=)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_NE(const X&, const Y&) [with X = unsigned int; Y = int]’:
src/learner.cc:792:5:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:202:24: warning: comparison of integer expressions of different signedness: ‘const unsigned int’ and ‘const int’ [-Wsign-compare]
  202 | DEFINE_CHECK_FUNC(_NE, !=)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/logging.cc -o src/logging.o
In file included from src/collective/communicator.h:5,
                 from src/collective/communicator-inl.h:7,
                 from src/logging.cc:12:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/global_config.cc -o src/global_config.o
In file included from src/global_config.cc:10:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/collective/communicator.cc -o src/collective/communicator.o
In file included from src/collective/communicator.h:5,
                 from src/collective/communicator.cc:4:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/collective/socket.cc -o src/collective/socket.o
In file included from src/collective/socket.cc:4:
./include/xgboost/collective/socket.h:65:22: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
   65 | #if xgboost_IS_MINGW()
      |                      ^
./include/xgboost/collective/socket.h:147:41: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
  147 | #if defined(_WIN32) && xgboost_IS_MINGW()
      |                                         ^
./include/xgboost/collective/socket.h:511:22: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
  511 | #if xgboost_IS_MINGW()
      |                      ^
In file included from ./include/xgboost/logging.h:11,
                 from ./include/xgboost/collective/socket.h:56:
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/collective/socket.cc:56:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/collective/socket.cc:70:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/common/charconv.cc -o src/common/charconv.o
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/common/column_matrix.cc -o src/common/column_matrix.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/common/../data/adapter.h:21,
                 from src/common/column_matrix.h:19,
                 from src/common/column_matrix.cc:5:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/./io.h:15,
                 from ./dmlc-core/include/dmlc/data.h:14,
                 from src/common/../data/adapter.h:7:
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/common/../data/array_interface.h:154:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/common/../data/../common/quantile.h:714:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/common/../data/array_interface.h:227:7:   required from ‘static void xgboost::ArrayInterfaceHandler::ExtractShape(const xgboost::JsonObject::Map&, size_t (&)[D]) [with int D = 2; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/common/../data/array_interface.h:392:40:   required from ‘void xgboost::ArrayInterface<D, allow_mask>::Initialize(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  392 |     ArrayInterfaceHandler::ExtractShape(array, shape);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
src/common/../data/array_interface.h:429:61:   required from ‘xgboost::ArrayInterface<D, allow_mask>::ArrayInterface(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  429 |   explicit ArrayInterface(Object::Map const &array) { this->Initialize(array); }
      |                                                       ~~~~~~^~~~~~~~~~
src/common/../data/adapter.h:300:62:   required from here
  300 |     array_interface_ = ArrayInterface<2>(get<Object const>(j));
      |                                                              ^
./dmlc-core/include/dmlc/././logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/common/common.cc -o src/common/common.o
In file included from src/common/./../collective/communicator.h:5,
                 from src/common/./../collective/communicator-inl.h:7,
                 from src/common/./random.h:22,
                 from src/common/common.cc:10:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/common/hist_util.cc -o src/common/hist_util.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/common/hist_util.h:10,
                 from src/common/hist_util.cc:11:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/timer.h:21,
                 from src/common/hist_util.cc:5:
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/common/quantile.h:714:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/common/row_set.h:101:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/./logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/./logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/common/../data/array_interface.h:227:7:   required from ‘static void xgboost::ArrayInterfaceHandler::ExtractShape(const xgboost::JsonObject::Map&, size_t (&)[D]) [with int D = 2; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/common/../data/array_interface.h:392:40:   required from ‘void xgboost::ArrayInterface<D, allow_mask>::Initialize(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  392 |     ArrayInterfaceHandler::ExtractShape(array, shape);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
src/common/../data/array_interface.h:429:61:   required from ‘xgboost::ArrayInterface<D, allow_mask>::ArrayInterface(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  429 |   explicit ArrayInterface(Object::Map const &array) { this->Initialize(array); }
      |                                                       ~~~~~~^~~~~~~~~~
src/common/../data/adapter.h:300:62:   required from here
  300 |     array_interface_ = ArrayInterface<2>(get<Object const>(j));
      |                                                              ^
./dmlc-core/include/dmlc/./logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/./logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/common/host_device_vector.cc -o src/common/host_device_vector.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/common/host_device_vector.cc:9:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/common/io.cc -o src/common/io.o
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/common/json.cc -o src/common/json.o
In file included from src/common/json.cc:4:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h: In instantiation of ‘class xgboost::JsonTypedArray<float, xgboost::Value::ValueKind::kNumberArray>’:
src/common/json.cc:287:16:   required from here
  287 | template class JsonTypedArray<float, Value::ValueKind::kNumberArray>;
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:148:7: note:   by ‘xgboost::JsonTypedArray<float, xgboost::Value::ValueKind::kNumberArray>& xgboost::JsonTypedArray<float, xgboost::Value::ValueKind::kNumberArray>::operator=(const xgboost::JsonTypedArray<float, xgboost::Value::ValueKind::kNumberArray>&)’
  148 | class JsonTypedArray : public Value {
      |       ^~~~~~~~~~~~~~
./include/xgboost/json.h: In instantiation of ‘class xgboost::JsonTypedArray<unsigned char, xgboost::Value::ValueKind::kU8Array>’:
src/common/json.cc:288:16:   required from here
  288 | template class JsonTypedArray<uint8_t, Value::ValueKind::kU8Array>;
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:148:7: note:   by ‘xgboost::JsonTypedArray<unsigned char, xgboost::Value::ValueKind::kU8Array>& xgboost::JsonTypedArray<unsigned char, xgboost::Value::ValueKind::kU8Array>::operator=(const xgboost::JsonTypedArray<unsigned char, xgboost::Value::ValueKind::kU8Array>&)’
  148 | class JsonTypedArray : public Value {
      |       ^~~~~~~~~~~~~~
./include/xgboost/json.h: In instantiation of ‘class xgboost::JsonTypedArray<int, xgboost::Value::ValueKind::kI32Array>’:
src/common/json.cc:289:16:   required from here
  289 | template class JsonTypedArray<int32_t, Value::ValueKind::kI32Array>;
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:148:7: note:   by ‘xgboost::JsonTypedArray<int, xgboost::Value::ValueKind::kI32Array>& xgboost::JsonTypedArray<int, xgboost::Value::ValueKind::kI32Array>::operator=(const xgboost::JsonTypedArray<int, xgboost::Value::ValueKind::kI32Array>&)’
  148 | class JsonTypedArray : public Value {
      |       ^~~~~~~~~~~~~~
./include/xgboost/json.h: In instantiation of ‘class xgboost::JsonTypedArray<long int, xgboost::Value::ValueKind::kI64Array>’:
src/common/json.cc:290:16:   required from here
  290 | template class JsonTypedArray<int64_t, Value::ValueKind::kI64Array>;
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:148:7: note:   by ‘xgboost::JsonTypedArray<long int, xgboost::Value::ValueKind::kI64Array>& xgboost::JsonTypedArray<long int, xgboost::Value::ValueKind::kI64Array>::operator=(const xgboost::JsonTypedArray<long int, xgboost::Value::ValueKind::kI64Array>&)’
  148 | class JsonTypedArray : public Value {
      |       ^~~~~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/common/numeric.cc -o src/common/numeric.o
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/common/pseudo_huber.cc -o src/common/pseudo_huber.o
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/common/quantile.cc -o src/common/quantile.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/common/quantile.h:11,
                 from src/common/quantile.cc:4:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/./io.h:15,
                 from ./dmlc-core/include/dmlc/data.h:14,
                 from ./include/xgboost/data.h:11:
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/common/quantile.h:714:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/common/../data/array_interface.h:154:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_NE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/common/quantile.cc:28:3:   required from ‘xgboost::common::SketchContainerImpl<WQSketch>::SketchContainerImpl(std::vector<long unsigned int>, int32_t, xgboost::common::Span<const xgboost::FeatureType, 18446744073709551615>, bool, int32_t) [with WQSketch = xgboost::common::WXQuantileSketch<float, float>; int32_t = int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/common/quantile.h:1005:77:   required from here
 1005 |       : SketchContainerImpl{columns_size, max_bins, ft, use_group, n_threads} {
      |                                                                             ^
./dmlc-core/include/dmlc/././logging.h:202:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  202 | DEFINE_CHECK_FUNC(_NE, !=)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/common/../data/array_interface.h:227:7:   required from ‘static void xgboost::ArrayInterfaceHandler::ExtractShape(const xgboost::JsonObject::Map&, size_t (&)[D]) [with int D = 2; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/common/../data/array_interface.h:392:40:   required from ‘void xgboost::ArrayInterface<D, allow_mask>::Initialize(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  392 |     ArrayInterfaceHandler::ExtractShape(array, shape);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
src/common/../data/array_interface.h:429:61:   required from ‘xgboost::ArrayInterface<D, allow_mask>::ArrayInterface(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  429 |   explicit ArrayInterface(Object::Map const &array) { this->Initialize(array); }
      |                                                       ~~~~~~^~~~~~~~~~
src/common/../data/adapter.h:300:62:   required from here
  300 |     array_interface_ = ArrayInterface<2>(get<Object const>(j));
      |                                                              ^
./dmlc-core/include/dmlc/././logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/common/random.cc -o src/common/random.o
In file included from src/common/../collective/communicator.h:5,
                 from src/common/../collective/communicator-inl.h:7,
                 from src/common/random.h:22,
                 from src/common/random.cc:5:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./include/xgboost/logging.h:11,
                 from src/common/random.h:10:
./dmlc-core/include/dmlc/logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/common/random.cc:15:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/logging.h:198:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  198 | DEFINE_CHECK_FUNC(_GT, >)
      |                        ^
./dmlc-core/include/dmlc/logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/common/survival_util.cc -o src/common/survival_util.o
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/common/threading_utils.cc -o src/common/threading_utils.o
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/common/timer.cc -o src/common/timer.o
In file included from src/common/../collective/communicator.h:5,
                 from src/common/../collective/communicator-inl.h:7,
                 from src/common/timer.cc:9:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/common/version.cc -o src/common/version.o
In file included from src/common/version.cc:11:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/c_api/c_api.cc -o src/c_api/c_api.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/c_api/c_api.cc:11:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
In file included from ./dmlc-core/include/dmlc/./io.h:15,
                 from ./dmlc-core/include/dmlc/data.h:14,
                 from ./include/xgboost/data.h:11:
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_EQ(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/c_api/../data/array_interface.h:154:7:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:201:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  201 | DEFINE_CHECK_FUNC(_EQ, ==)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_GE(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/c_api/../data/../common/quantile.h:714:3:   required from here
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
./dmlc-core/include/dmlc/././logging.h:200:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  200 | DEFINE_CHECK_FUNC(_GE, >=)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
./dmlc-core/include/dmlc/././logging.h: In instantiation of ‘std::unique_ptr<std::__cxx11::basic_string<char> > dmlc::LogCheck_LT(const X&, const Y&) [with X = long unsigned int; Y = int]’:
src/c_api/../data/array_interface.h:227:7:   required from ‘static void xgboost::ArrayInterfaceHandler::ExtractShape(const xgboost::JsonObject::Map&, size_t (&)[D]) [with int D = 2; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >; size_t = long unsigned int]’
  206 |   if (auto __dmlc__log__err = dmlc::LogCheck##name(x, y))  \
      |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~
src/c_api/../data/array_interface.h:392:40:   required from ‘void xgboost::ArrayInterface<D, allow_mask>::Initialize(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  392 |     ArrayInterfaceHandler::ExtractShape(array, shape);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
src/c_api/../data/array_interface.h:429:61:   required from ‘xgboost::ArrayInterface<D, allow_mask>::ArrayInterface(const xgboost::JsonObject::Map&) [with int D = 2; bool allow_mask = false; xgboost::JsonObject::Map = std::map<std::__cxx11::basic_string<char>, xgboost::Json, std::less<void> >]’
  429 |   explicit ArrayInterface(Object::Map const &array) { this->Initialize(array); }
      |                                                       ~~~~~~^~~~~~~~~~
src/c_api/../data/adapter.h:300:62:   required from here
  300 |     array_interface_ = ArrayInterface<2>(get<Object const>(j));
      |                                                              ^
./dmlc-core/include/dmlc/././logging.h:197:24: warning: comparison of integer expressions of different signedness: ‘const long unsigned int’ and ‘const int’ [-Wsign-compare]
  197 | DEFINE_CHECK_FUNC(_LT, <)
      |                        ^
./dmlc-core/include/dmlc/././logging.h:188:11: note: in definition of macro ‘DEFINE_CHECK_FUNC’
  188 |     if (x op y) return nullptr;                                                            \
      |           ^~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c src/c_api/c_api_error.cc -o src/c_api/c_api_error.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from src/c_api/./c_api_utils.h:14,
                 from src/c_api/./c_api_error.h:12,
                 from src/c_api/c_api_error.cc:8:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c amalgamation/dmlc-minimum0.cc -o amalgamation/dmlc-minimum0.o
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c rabit/src/engine.cc -o rabit/src/engine.o
In file included from ./rabit/include/rabit/internal/socket.h:8,
                 from rabit/src/allreduce_base.h:22,
                 from rabit/src/engine.cc:14:
./include/xgboost/collective/socket.h:65:22: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
   65 | #if xgboost_IS_MINGW()
      |                      ^
./include/xgboost/collective/socket.h:147:41: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
  147 | #if defined(_WIN32) && xgboost_IS_MINGW()
      |                                         ^
./include/xgboost/collective/socket.h:511:22: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
  511 | #if xgboost_IS_MINGW()
      |                      ^
./rabit/include/rabit/internal/socket.h:46:14: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
   46 | #if IS_MINGW() && !defined(POLLRDNORM) && !defined(POLLRDBAND)
      |              ^
./rabit/include/rabit/internal/socket.h:190:14: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
  190 | #if IS_MINGW() && !defined(POLLRDNORM) && !defined(POLLRDBAND)
      |              ^
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c rabit/src/rabit_c_api.cc -o rabit/src/rabit_c_api.o
In file included from ./include/xgboost/linalg.h:13,
                 from ./include/xgboost/data.h:16,
                 from rabit/src/../../src/c_api/c_api_utils.h:14,
                 from rabit/src/../../src/c_api/c_api_error.h:12,
                 from rabit/src/rabit_c_api.cc:9:
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:86:7: note:   by ‘xgboost::JsonString& xgboost::JsonString::operator=(const xgboost::JsonString&)’
   86 | class JsonString : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:112:7: note:   by ‘xgboost::JsonArray& xgboost::JsonArray::operator=(const xgboost::JsonArray&)’
  112 | class JsonArray : public Value {
      |       ^~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:189:7: note:   by ‘xgboost::JsonObject& xgboost::JsonObject::operator=(const xgboost::JsonObject&)’
  189 | class JsonObject : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:218:7: note:   by ‘xgboost::JsonNumber& xgboost::JsonNumber::operator=(const xgboost::JsonNumber&)’
  218 | class JsonNumber : public Value {
      |       ^~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:252:7: note:   by ‘xgboost::JsonInteger& xgboost::JsonInteger::operator=(const xgboost::JsonInteger&)’
  252 | class JsonInteger : public Value {
      |       ^~~~~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:295:7: note:   by ‘xgboost::JsonNull& xgboost::JsonNull::operator=(const xgboost::JsonNull&)’
  295 | class JsonNull : public Value {
      |       ^~~~~~~~
./include/xgboost/json.h:62:18: warning: ‘virtual xgboost::Value& xgboost::Value::operator=(const xgboost::Value&)’ was hidden [-Woverloaded-virtual=]
   62 |   virtual Value& operator=(Value const& rhs) = delete;
      |                  ^~~~~~~~
./include/xgboost/json.h:311:7: note:   by ‘xgboost::JsonBoolean& xgboost::JsonBoolean::operator=(const xgboost::JsonBoolean&)’
  311 | class JsonBoolean : public Value {
      |       ^~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I./include -I./dmlc-core/include -I./rabit/include -I. -DXGBOOST_STRICT_R_MODE=1 -DDMLC_LOG_BEFORE_THROW=0 -DDMLC_ENABLE_STD_THREAD=1 -DDMLC_DISABLE_STDIN=1 -DDMLC_LOG_CUSTOMIZE=1 -DXGBOOST_CUSTOMIZE_LOGGER=1 -DRABIT_CUSTOMIZE_MSG_  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native   -c rabit/src/allreduce_base.cc -o rabit/src/allreduce_base.o
In file included from ./rabit/include/rabit/internal/socket.h:8,
                 from rabit/src/allreduce_base.h:22,
                 from rabit/src/allreduce_base.cc:14:
./include/xgboost/collective/socket.h:65:22: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
   65 | #if xgboost_IS_MINGW()
      |                      ^
./include/xgboost/collective/socket.h:147:41: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
  147 | #if defined(_WIN32) && xgboost_IS_MINGW()
      |                                         ^
./include/xgboost/collective/socket.h:511:22: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
  511 | #if xgboost_IS_MINGW()
      |                      ^
./rabit/include/rabit/internal/socket.h:46:14: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
   46 | #if IS_MINGW() && !defined(POLLRDNORM) && !defined(POLLRDBAND)
      |              ^
./rabit/include/rabit/internal/socket.h:190:14: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
  190 | #if IS_MINGW() && !defined(POLLRDNORM) && !defined(POLLRDBAND)
      |              ^
g++-14 -std=gnu++17 -shared -L/home/hornik/tmp/R.check/r-release-gcc/Work/build/lib -Wl,-O1 -o xgboost.so ./xgboost_R.o ./xgboost_custom.o ./init.o ./src/metric/metric.o ./src/metric/elementwise_metric.o ./src/metric/multiclass_metric.o ./src/metric/rank_metric.o ./src/metric/auc.o ./src/metric/survival_metric.o ./src/objective/objective.o ./src/objective/regression_obj.o ./src/objective/multiclass_obj.o ./src/objective/rank_obj.o ./src/objective/hinge.o ./src/objective/aft_obj.o ./src/objective/adaptive.o ./src/gbm/gbm.o ./src/gbm/gbtree.o ./src/gbm/gbtree_model.o ./src/gbm/gblinear.o ./src/gbm/gblinear_model.o ./src/data/simple_dmatrix.o ./src/data/data.o ./src/data/sparse_page_raw_format.o ./src/data/ellpack_page.o ./src/data/gradient_index.o ./src/data/gradient_index_page_source.o ./src/data/gradient_index_format.o ./src/data/sparse_page_dmatrix.o ./src/data/proxy_dmatrix.o ./src/data/iterative_dmatrix.o ./src/predictor/predictor.o ./src/predictor/cpu_predictor.o ./src/tree/constraints.o ./src/tree/param.o ./src/tree/tree_model.o ./src/tree/tree_updater.o ./src/tree/updater_approx.o ./src/tree/updater_colmaker.o ./src/tree/updater_prune.o ./src/tree/updater_quantile_hist.o ./src/tree/updater_refresh.o ./src/tree/updater_sync.o ./src/linear/linear_updater.o ./src/linear/updater_coordinate.o ./src/linear/updater_shotgun.o ./src/learner.o ./src/logging.o ./src/global_config.o ./src/collective/communicator.o ./src/collective/socket.o ./src/common/charconv.o ./src/common/column_matrix.o ./src/common/common.o ./src/common/hist_util.o ./src/common/host_device_vector.o ./src/common/io.o ./src/common/json.o ./src/common/numeric.o ./src/common/pseudo_huber.o ./src/common/quantile.o ./src/common/random.o ./src/common/survival_util.o ./src/common/threading_utils.o ./src/common/timer.o ./src/common/version.o ./src/c_api/c_api.o ./src/c_api/c_api_error.o ./amalgamation/dmlc-minimum0.o ./rabit/src/engine.o ./rabit/src/rabit_c_api.o ./rabit/src/allreduce_base.o -fopenmp -DDMLC_CMAKE_LITTLE_ENDIAN=1 -pthread -L/home/hornik/tmp/R.check/r-release-gcc/Work/build/lib -lR
make[1]: Leaving directory '/home/hornik/tmp/scratch/RtmpNtp9yy/R.INSTALL3961876a426fb4/xgboost/src'
make[1]: Entering directory '/home/hornik/tmp/scratch/RtmpNtp9yy/R.INSTALL3961876a426fb4/xgboost/src'
Makevars:17: -DXGBOOST_STRICT_R_MODE=1
Makevars:17: -DDMLC_LOG_BEFORE_THROW=0
Makevars:17: -DDMLC_ENABLE_STD_THREAD=1
Makevars:17: -DDMLC_DISABLE_STDIN=1
Makevars:17: -DDMLC_LOG_CUSTOMIZE=1
Makevars:17: -DXGBOOST_CUSTOMIZE_LOGGER=1
Makevars:17: -DRABIT_CUSTOMIZE_MSG_
make[1]: Leaving directory '/home/hornik/tmp/scratch/RtmpNtp9yy/R.INSTALL3961876a426fb4/xgboost/src'
installing to /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/00LOCK-xgboost/00new/xgboost/libs
** R
** data
** demo
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (xgboost)