[Bug tree-optimization/116463] [15 Regression] complex multiply vectorizer detection failures after r15-3087-gb07f8a301158e5

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116463

--- Comment #18 from Tamar Christina <tnfchris at gcc dot gnu.org> ---
I can provide a GCC 14 fix during Stage 3 while I fix the GCC 15 one if that's
easier.