https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113808
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> --- (In reply to Richard Biener from comment #5) > (In reply to Jakub Jelinek from comment #3) > > Started with r14-8768-g85094e2aa6dba7908f053046f02dd443e8f65d72 > > The regression status is unclear because we emitted sorry on this > > before r14-2634-g85da0b40538fb0d17d89de1e7905984668e3dfef > > I think r14-8768 just exposed this. That is possible. But in gcc 13 we'd never vectorize this due to the early exit, right? Still, even the #c4 testcase started at r14-8768 and that one is a real regression from 11/12/13.