https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81452
--- Comment #4 from Eric Gallager <egallager at gcc dot gnu.org> --- (In reply to Martin Sebor from comment #3) > There is -Walloc-zero. If we want a separate knob for just it then maybe > -Wrealloc-zero. Oh right, -Walloc-zero, I forgot about that one. It triggers so rarely that it's probably safe to keep this proposed warning under that single flag.