[Bug tree-optimization/51492] vectorizer does not support saturated arithmetic patterns

[pan2.li at intel dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51492

--- Comment #18 from Li Pan <pan2.li at intel dot com> ---
Thanks for the confirmation.

Yes, it was before expand. I will prepare one PATCH for this, and it should
target for gcc-15 I bet.