https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114851
--- Comment #3 from Alexander Zaitsev <zamazan4ik at tut dot by> --- > Though I do wonder if the "hints" are used instead of the PGO here. We already discussed this question a bit in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112806 . If I understand correctly, no clear answer yet: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112806#c4 .