[Bug tree-optimization/117104] [12/13/14 regression] ICE when building python-3.12.7 (prepare_cmp_insn, at optabs.cc:4622) with -O2 -march=x86-64-v4 -fno-vect-cost-model -fwrapv

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117104

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|15.0                        |12.5
      Known to work|                            |15.0
            Summary|[15 regression] ICE when    |[12/13/14 regression] ICE
                   |building python-3.12.7      |when building python-3.12.7
                   |(prepare_cmp_insn, at       |(prepare_cmp_insn, at
                   |optabs.cc:4622) with -O2    |optabs.cc:4622) with -O2
                   |-march=x86-64-v4            |-march=x86-64-v4
                   |-fno-vect-cost-model        |-fno-vect-cost-model
                   |-fwrapv                     |-fwrapv

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Bogus pattern exists on branches as well.