Found the following significant warnings:
  gooijer_isop_rcpp.cpp:210:34: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  gooijer_isop_rcpp.cpp:217:34: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  gooijer_isop_rcpp.cpp:224:34: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  gooijer_isop_rcpp.cpp:231:34: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  rm_smirt_mml2_rcpp.cpp:665:26: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  rm_smirt_mml2_rcpp.cpp:709:10: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  sirt_rcpp_evm_comp_poly.cpp:145:30: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  sirt_rcpp_polychoric2.cpp:212:14: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
See '/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/sirt.Rcheck/00install.out' for details.
Found the following significant warnings:
  gooijer_isop_rcpp.cpp:210:34: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  gooijer_isop_rcpp.cpp:217:34: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  gooijer_isop_rcpp.cpp:224:34: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  gooijer_isop_rcpp.cpp:231:34: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  rm_smirt_mml2_rcpp.cpp:665:26: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  rm_smirt_mml2_rcpp.cpp:709:10: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  sirt_rcpp_evm_comp_poly.cpp:145:30: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  sirt_rcpp_polychoric2.cpp:212:14: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
See ‘/data/gannet/ripley/R/packages/tests-clang/sirt.Rcheck/00install.out’ for details.
installed size is  9.6Mb
  sub-directories of 1Mb or more:
    R      2.0Mb
    libs   5.6Mb
installed size is  5.5Mb
  sub-directories of 1Mb or more:
    R      2.0Mb
    libs   1.5Mb
installed size is 10.9Mb
  sub-directories of 1Mb or more:
    R      2.1Mb
    libs   6.9Mb
installed size is 11.2Mb
  sub-directories of 1Mb or more:
    R      2.0Mb
    libs   7.2Mb
installed size is  5.5Mb
  sub-directories of 1Mb or more:
    R      2.0Mb
    libs   1.5Mb
installed size is 12.8Mb
  sub-directories of 1Mb or more:
    R      2.1Mb
    libs   8.7Mb
installed size is 11.2Mb
  sub-directories of 1Mb or more:
    R      2.0Mb
    libs   7.1Mb
installed size is  7.3Mb
  sub-directories of 1Mb or more:
    R      2.0Mb
    libs   3.2Mb