[Bug tree-optimization/103495] New: vectorizer bool pattern recog does not handle cycles correctly

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103495

            Bug ID: 103495
           Summary: vectorizer bool pattern recog does not handle cycles
                    correctly
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rguenth at gcc dot gnu.org
  Target Milestone: ---

As can be seen in PR103489 bool pattern recog is defunct for cycle PHIs when we
manage to visit the "wrong" def first.