[Bug tree-optimization/81987] [8 Regression] ICE in verify_ssa with -O3 -march=skylake-avx512

[wschmidt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81987

--- Comment #5 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
-march is not required.  This repros on powerpc64le-linux-gnu as well with just
-O3.