[Bug tree-optimization/121218] [15/16 regression] highway miscompiled at -O2 -march=znver2 since r15-3036-gb8ea13ebf12117

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121218

--- Comment #4 from Sam James <sjames at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #3)
> I'm not sure what's that supposed to test?  Is that already a reduced
> testcase?

Yeah, it's already reduced. Let me go back a bit.