visited = sbitmap_alloc (num_ssa_names);

does not come with a call to sbitmap_clear.

-- 
           Summary: wrong use of sbitmap in tree-ssa-copy.c
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: kazu at cs dot umass dot edu
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21849

Reply via email to