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[Bug rtl-optimization/21767] New: if-convert leaves invalid REG_EQUAL notes


if-convert sometimes moves instructions from after to before a conditional
jump.  Some REG_EQUAL are no longer true after this transformation, yet
they are not removed.

-- 
           Summary: if-convert leaves invalid REG_EQUAL notes
           Product: gcc
           Version: 3.4.3
            Status: UNCONFIRMED
          Keywords: wrong-code
          Severity: normal
          Priority: P2
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: amylaar at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org
OtherBugsDependingO 20070
             nThis:


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21767


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