https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125727
--- Comment #5 from Drea Pinski <pinskia at gcc dot gnu.org> --- (In reply to Jeffrey A. Law from comment #4) > So the combine change just makes it more likely that we try 4 insn > combinations. So I suspect it's just exposing a problem elsewhere. Right, we are starting to play `whack a mole` with the bad handling of the clobber inside combine as we improve other parts of combine or other areas before combine.
