[Bug target/121447] [16 Regression] ~20% slowdown of 470.lbm since r16-1644-gaba3b9d3a48a07 on AMD Zen5

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121447

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Given PR123051 470.lbm seems to be oddly sensitive so we're possibly running
into uarch specific issues here (and there).