[Bug tree-optimization/77362] [6/7 Regression] [graphite] ICE in sese_build_liveouts_use w/ -O2 -floop-nest-optimize

[spop at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77362

--- Comment #7 from Sebastian Pop <spop at gcc dot gnu.org> ---
The fix looks good.  Thanks!