[Bug tree-optimization/18607] New: Vectorizer: data_reference is overwritten in vect_analyze_data_refs

["irar at il dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>]

While looking for memory tag in vect_analyze_data_refs, data_reference is 
overwritten by temporary.

-- 
           Summary: Vectorizer: data_reference is overwritten in
                    vect_analyze_data_refs
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: tree-optimization
        AssignedTo: irar at il dot ibm dot com
        ReportedBy: irar at il dot ibm dot com
                CC: dorit at il dot ibm dot com,gcc-bugs at gcc dot gnu dot
                    org
 GCC build triplet: powerpc-apple-darwin7.0.0
  GCC host triplet: powerpc-apple-darwin7.0.0
GCC target triplet: powerpc-apple-darwin7.0.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18607