[Bug target/95762] Failure to optimize __builtin_convertvector from vector of 16 chars to vector of 16 shorts in a single instruction on AVX2

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95762

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
And I should note, because of offloading, it would be better to do that kind of
folding only after_inlining.