Found the following significant warnings:
  mdr.cpp:684:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:686:16: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:688:16: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:690:16: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:719:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:721:16: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:723:16: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:725:16: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:755:10: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:757:18: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:759:18: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:761:18: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:791:10: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:793:18: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:795:18: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:797:18: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
See '/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/GenomicTools.Rcheck/00install.out' for details.
Found the following significant warnings:
  mdr.cpp:684:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:686:16: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:688:16: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:690:16: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:719:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:721:16: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:723:16: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:725:16: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:755:10: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:757:18: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:759:18: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:761:18: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:791:10: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:793:18: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:795:18: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  mdr.cpp:797:18: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
See ‘/data/gannet/ripley/R/packages/tests-clang/GenomicTools.Rcheck/00install.out’ for details.