[Bug tree-optimization/88464] AVX-512 vectorization of masked scatter failing with "not suitable for scatter store"

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88464

--- Comment #25 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Isn't ktestw and kortestw the same thing when both operands are the same mask
register?