https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94429
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |INVALID Status|UNCONFIRMED |RESOLVED Keywords| |diagnostic --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- >But this option will still warn about them, to help people avoid writing code >that is undefined in C and earlier revisions of C++. It is documented that way. You can disable the warning if you want. Some folks write C and C++ code that is portable between the two. Also this warning is easy to avoid.