[Bug c/123156] [12-16 Regression] wrong code at all optimization level

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123156

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I am thinking the issue is in __builtin_shufflevector creating the VEC_PERM.