https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102223
--- Comment #9 from Eric Gallager <egallager at gcc dot gnu.org> --- (In reply to Federico Kircheis from comment #6) > > are you expecting this to go under an existing warning flag, or a new one? > > Ideally -Wall, but there might already be some flags related to dangling > pointers and references. Yes, there's one for each of those now: -Wdangling-pointer and -Wdangling-reference, so I presume that this one would go under the latter...