https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92007
--- Comment #9 from Segher Boessenkool <segher at gcc dot gnu.org> --- (In reply to Ilya Leoshkevich from comment #7) > Having eliminated bb 5, we cannot avoid making bb 6 cold, since this > would violate CFG integrity: as far as I understand, it's important to > maintain the property that cold bbs cannot dominate hot bbs. But we can make bb 11 HOT, instead? Question is how to figure out which to do when.