[Bug tree-optimization/77989] [7 Regression] -O3 causes verify_gimple fail

[amker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77989

--- Comment #6 from amker at gcc dot gnu.org ---
Ah, I think this duplicates to PR77988 and was fixed by richi.  I will add a
test case for this though.