[Bug ipa/65701] r221530 makes 187.facerec drop with -Ofast -flto

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65701

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
-Ofast -march=native, that is.  (which may be the key to the issue?)