https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111601
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Peter Bergner from comment #4) > CCing richi and jakub to see if they've seen anything like this before? I suspect we are miscompiling the final compiler somehow. I linked 2 other reports which reported that PGO is causing wrong code; I have not looked into confirming them yet though.