https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67996
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- Then maybe the warning needs to be smarter, e.g. not warn for enumerators defined in system headers using the implementation's reserved names. In any case, it's not a libstdc++ problem, our code is correct, and GCC doesn't issue any warning.