[Bug tree-optimization/123606] 5-8% slowdown of mcf on x86 caused by r16-6679-g3ebe697f32197e (was sped up by r16-5258-g1d8e2d51e5c5cb)

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123606

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Would be interesting to see what caused the regression back in 2023 between
r13-5128-gfd1f5373b8647a and r13-5097-gf432ad092122c3.

(I suspect r13-5103-g7c9f20fcfdc2d8).