https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97558
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- But then in vect_fixup_scalar_cycles_with_patterns we leave us with a reduction chain with eventually half irrelevant stmts because we mix in-pattern and non-in-pattern stmts for gcc.dg/vect/pr83965-2.c. Will think of the situation after some of the current refactoring is finished.