Rework the detection of broken gcc for HWY_BROKEN_EMU128. Fixes #765
Rework the detection of broken gcc for HWY_BROKEN_EMU128. Fixes #765

Multiple architectures were impacted by bug:

* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106322

original bug report was reported on MSYS2/i686.

google/highway,google/highway,google/highway