[Bug tree-optimization/58552] New: [4.9 Regression] -fcompare-debug failure

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58552

            Bug ID: 58552
           Summary: [4.9 Regression] -fcompare-debug failure
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rguenth at gcc dot gnu.org

Created attachment 30911
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30911&action=edit
testcase

spuriously reduced from a -O3 bootstrap miscompare.  Fails at -O2.