[Bug tree-optimization/102178] [12 Regression] SPECFP 2006 470.lbm regressions on AMD Zen CPUs after r12-897-gde56f95afaaa22

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102178

--- Comment #2 from luoxhu at gcc dot gnu.org ---
Verified 470.lbm doesn't show regression on Power8 with Ofast.

runtime is 141 sec for r12-897, without that patch it is 142 sec.