https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105593
--- Comment #24 from Jakub Jelinek <jakub at gcc dot gnu.org> --- (In reply to Marek Polacek from comment #23) > I'm somewhat uneasy about backporting PR102633, to be honest. But I could > try and test gcc 12 to see if it causes any problems, if you want me to. I think causing more warnings than were emitted before on the release branches is something we should avoid, but this is the opposite, we used to emit warnings which shouldn't be emitted and don't do that anymore. Anyway, I'm afraid without the PR102633 changes I don't know how else to solve this PR which seems quite important (-Wall warning on anything using _mm*_undefined*, directly or indirectly).
