[Bug tree-optimization/114057] [14 Regression] 435.gromacs fails verification with -Ofast -march={znver2,znver4} and PGO after r14-7272-g57f611604e8bab

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114057

Filip Kastl <pheeck at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[14 Regression] 435.gromacs |[14 Regression] 435.gromacs
                   |fails verification with     |fails verification with
                   |-Ofast -march=znver4 and    |-Ofast
                   |PGO after                   |-march={znver2,znver4} and
                   |r14-7272-g57f611604e8bab    |PGO after
                   |                            |r14-7272-g57f611604e8bab

--- Comment #6 from Filip Kastl <pheeck at gcc dot gnu.org> ---
I just observed the same miscomparison on a Zen2 machine. Exactly the same
values:

0002:  3.07684e+02
       3.11606e+02

So I assume it's the same problem.