https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104990
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- >This showed up with -fgnuc-version=11.2 on the command line to work around >code doing broken things like in the particular code being compiled. Why not fix that code instead of having libstdc++ workaround a feature not existing in clang when you specify the version. In fact I think it is bad that __GNUC__ is even defined for clang in the first place.
