https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66502
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Richard Biener from comment #4) > SCCVN preference changed. Missed optimization remains (now the other > variant). GCC 10 looks like it can handle both now. I don't know if that means this can be marked as fixed though.