[Bug tree-optimization/125692] [16/17 Regression] ICE at -O3 with -g on x86_64-linux-gnu: verify_ssa failed since r16-6679

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125692

--- Comment #3 from Drea Pinski <pinskia at gcc dot gnu.org> ---
So after my patch, unswitch all the way to the outer loop now. and that is how
_7 is no longer dominated.