[Bug rtl-optimization/123786] [16 Regression] AArch64: Miscompile at -O3 -mtune=generic-armv9-a since r16-3628-g41b0c7a674e870

[artemiyv at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123786

--- Comment #12 from Artemiy Volkov <artemiyv at gcc dot gnu.org> ---
(In reply to Alex Coplan from comment #11)
> Just FTR, this started with the introduction of the dep_fusion pass, i.e.
> r16-3628-g41b0c7a674e87074fdc8088479cb93f6fe1e070f.
> 
> Here is a slightly cleaned up testcase for the testsuite:
> 
Thanks, I'll wrap this into my patch.

I've got something that survives bootstrap and regtest, will post sometime next
week.