[Bug middle-end/102997] [12 Regression] 45% 454.calculix regression with LTO+PGO -march=native -Ofast on Zen since r12-4526-gd8edfadfc7a9795b65177a50ce44fd348858e844

[hubicka at kam dot mff.cuni.cz via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102997

--- Comment #31 from hubicka at kam dot mff.cuni.cz ---
> It likely was the loop header copying missing on cold loops then.
Yep. It is good we worked that out.