[Bug tree-optimization/55334] [4.8/4.9 Regression] mgrid regression (ipa-cp disables vectorization)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55334

--- Comment #48 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
That sounds way too risky for the older release branches.