[Bug target/71921] missed vectorization optimization

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71921

--- Comment #20 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
There might be a dup of this one now since it was fixed in GCC 14.1.0 but broke
in GCC 15.