[Bug tree-optimization/115362] fixed_size_simd dot product recognition not working for stdx::reduce

[jondaniel879 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115362

--- Comment #3 from Jon Daniel <jondaniel879 at gmail dot com> ---
Created attachment 58358
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58358&action=edit
compilable testcase

Compile:

g++ -march=native -mfpmath=sse -mveclibabi=svml -O3 -std=gnu++26 dotsimd.cpp -o
dotsimd

Run:

./dotsimd