[Bug tree-optimization/109048] [13 regression] redundant mask compare generated by vectorizer.

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109048

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 54762
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54762&action=edit
heuristic

I am testing this heuristic