https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51437
--- Comment #18 from Pavel M <pavel.morozkin at gmail dot com> --- (In reply to Jonathan Wakely from comment #17) > (In reply to Josh Triplett from comment #5) > > I'd like to see this as well. While issuing such a warning by default would > > cause numerous warnings with existing code, having it as an opt-in > > -Wreserved-identifiers would help greatly. > > Clang does this now, with -Wreserved-identifier (N.B. singular, not > "identifiers") Note that in Clang -Wreserved-identifier is not part of -Wall nor -Wextra. The reason is "chattiness of the diagnostic in practice". Full answer: https://github.com/llvm/llvm-project/issues/57913#issuecomment-1255493025.
