https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65962
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Bill Schmidt from comment #6) > This commit (r229172) caused a vectorization failure for POWER: > > FAIL: gcc.dg/vect/vect-62.c -flto -ffat-lto-objects scan-tree-dump-times > vect "vectorized 1 loops" 1 > FAIL: gcc.dg/vect/vect-62.c scan-tree-dump-times vect "vectorized 1 loops" 1 > > Seems like an odd result, but that's what the bisection shows... Huh. Can you please attach vectorizer dumps before/after?