https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115450
--- Comment #2 from kugan at gcc dot gnu.org --- (In reply to Andrew Pinski from comment #1) > >[r15-1006-gd93353e6423eca] Do single-lane SLP discovery for reductions > > > Interesting because PR 115256 bisect it to an earlier patch. I believe this is a new issue.