[Bug target/65660] [5 Regression] 252.eon regression on bdver2 with -Ofast

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65660

--- Comment #12 from Richard Biener <rguenth at gcc dot gnu.org> ---
Btw, PR56812 and thus g++.dg/vect/slp-pr56812.cc looks suspiciously similar.