https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56158
--- Comment #16 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Wed Nov 25 16:11:40 2015 New Revision: 230884 URL: https://gcc.gnu.org/viewcvs?rev=230884&root=gcc&view=rev Log: Extend valid values of iostream bitmask types Backport from mainline 2015-11-12 Jonathan Wakely <jwak...@redhat.com> PR libstdc++/56158 * include/bits/ios_base.h (_Ios_Fmtflags, _Ios_Openmode, _Ios_Iostate): Define enumerators to ensure all values of type int are valid values of the enumeration type. * testsuite/27_io/ios_base/types/fmtflags/case_label.cc: Add new cases. * testsuite/27_io/ios_base/types/iostate/case_label.cc: Likewise. * testsuite/27_io/ios_base/types/openmode/case_label.cc: Likewise. Modified: branches/gcc-5-branch/libstdc++-v3/ChangeLog branches/gcc-5-branch/libstdc++-v3/include/bits/ios_base.h branches/gcc-5-branch/libstdc++-v3/testsuite/27_io/ios_base/types/fmtflags/case_label.cc branches/gcc-5-branch/libstdc++-v3/testsuite/27_io/ios_base/types/iostate/case_label.cc branches/gcc-5-branch/libstdc++-v3/testsuite/27_io/ios_base/types/openmode/case_label.cc
