https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113787
--- Comment #7 from Alex Coplan <acoplan at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #6) > (In reply to Jakub Jelinek from comment #5) > > My bisection points to r12-5915-ge93809f62363ba4b233858005aef652fb550e896 > > Which means it is related to bug 110702 . > > Again try -fno-ivopts . I suspect ivopts is producing some odd ir that is > confusing modref here. Yeah, it seems -fno-ivopts makes the execution test pass too (so -O -fno-ivopts).