https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103991
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> --- For the more permanent solution, perhaps making the other branch __builtin_unreachable() if it doesn't fall through is too expensive and we should just arrange for the pre- r12-5638 behavior where we in GENERIC pretend there wasn't an if at all.
