[Bug tree-optimization/121049] [15 regression] timezone-data miscompiled with -O3 -march=x86-64-v4 -mtune=znver4 since r16-1729-ga0af6fd825d533

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

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

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |16.0
            Summary|[16 regression]             |[15 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
                   |r16-1729-ga0af6fd825d533    |r16-1729-ga0af6fd825d533
           Priority|P3                          |P2
   Target Milestone|16.0                        |15.2

--- Comment #17 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed on trunk.  As bisection shows the issue is latent on the 15 branch at
least.