[Bug tree-optimization/121049] [16 regression] timezone-data miscompiled with -O3 -march=x86-64-v4 -mtune=znver4 since r16-1729-ga0af6fd825d533

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121049

Sam James <sjames at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=120927
            Summary|[16 regression]             |[16 regression]
                   |timezone-data miscompiled   |timezone-data miscompiled
                   |with -O3 -march=x86-64-v4   |with -O3 -march=x86-64-v4
                   |-mtune=znver4 since         |-mtune=znver4 since
                   |r16-2088-ge9079e4f43d135    |r16-1729-ga0af6fd825d533

--- Comment #13 from Sam James <sjames at gcc dot gnu.org> ---
(In reply to rguent...@suse.de from comment #11)
> Probably related to PR120927 then.

Thanks for the hint. Indeed that lets me bisect it back to
r16-1729-ga0af6fd825d533 (w/ --param vect-partial-vector-usage=1 -O3
-march=x86-64-v4 -mtune=znver4). I fear that is not too helpful either though.