[Bug gcov-profile/118551] Autofdo regressed 538.imagick_r by ~10% with -march=x86-64-v3 -O2

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118551

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Try to see if using the ref set helps this case too? It might be train and ref
are really that difference.