[Bug tree-optimization/101014] New: [12 Regression] Big compile time hog with -O3 since r12-1268-g9858cd1a6827ee7a

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101014

            Bug ID: 101014
           Summary: [12 Regression] Big compile time hog with -O3 since
                    r12-1268-g9858cd1a6827ee7a
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: compile-time-hog
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: aldyh at gcc dot gnu.org, amacleod at redhat dot com
  Target Milestone: ---

Created attachment 50978
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50978&action=edit
testcase

Noticed in a yarpget test-case and WRF for instance.
-O3 runs really slowly