https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112548
--- Comment #7 from Robin Dapp <rdapp at gcc dot gnu.org> --- I built executables with and without the commit (-Ofast -march=znver4 -flto). There is no difference so it must really be something that happens with PGO. I'd really need access to a zen4 box or the pgo executables at least.