[Bug tree-optimization/122686] [16 Regression] 521.wrf_r build hang on GNR with -Ofast -march=native -flto

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122686

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I do have one mistake dealing loops_state_satisfies_p (LOOPS_HAVE_PREHEADERS); 

I accidentally deleted that part when I added the check for the phis.

But I doubt that is causing an issue here ...