[Bug middle-end/111152] ~7-9% performance regression on 510.parest_r SPEC 2017 benchmark

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111152

--- Comment #2 from Hongtao.liu <crazylht at gmail dot com> ---
> With Zen3 -O2 generic lto pgo the regression is less noticeable (only 4%)
> https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=694.457.0

Not sure about this part