[Bug ipa/92816] New: [10 Regression] 35% performance drop for 433.milc with -O2 -flto on znver1 since r278879

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92816

            Bug ID: 92816
           Summary: [10 Regression] 35% performance drop for 433.milc with
                    -O2 -flto on znver1 since r278879
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ipa
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: hubicka at gcc dot gnu.org, marxin at gcc dot gnu.org
  Target Milestone: ---

One can see that here:
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=233.70.0

and also here (znver2):
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=292.70.0