[Bug tree-optimization/119920] Missed vectorization for conditioned adds

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119920

--- Comment #9 from Alfie Richards <alfierichards at gcc dot gnu.org> ---
Confirmed this fixes my test case.

The optimization is fascinating, and looks really elegant. Thanks for sending
it!