[Bug tree-optimization/103423] New: 19% cpu2006 wrf compile time regression with -flto between g:0b7a11874d4eb428 and g:704e8a825c78b9a8

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103423

            Bug ID: 103423
           Summary: 19% cpu2006 wrf compile time regression with -flto
                    between g:0b7a11874d4eb428 and g:704e8a825c78b9a8
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hubicka at gcc dot gnu.org
  Target Milestone: ---

This is visible at:
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=427.270.8&plot.1=227.270.8&;
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=413.270.8&plot.1=292.270.8&;
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=412.270.8&plot.1=289.270.8&;
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=445.270.8&plot.1=233.270.8&;

Curiously it does not seem to show on 2017 version of wrf.