[Bug target/120069] New: Yes another imagick -march=native -flto -Ofast + PGO regression between g:1c0cbc1b300e08df5ebfce00a7195890d78f2064 and g:55b01e17c793688a2878fa43a76df1266153b438

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120069

            Bug ID: 120069
           Summary: Yes another imagick -march=native -flto -Ofast + PGO
                    regression between
                    g:1c0cbc1b300e08df5ebfce00a7195890d78f2064 and
                    g:55b01e17c793688a2878fa43a76df1266153b438
           Product: gcc
           Version: 16.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hubicka at gcc dot gnu.org
  Target Milestone: ---

This is seen on zen2
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=286.507.0
and zen3
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=477.507.0

There are quite few suspects, so it would be nice to bisect this...