tree-ssa-sccvn.c (valueize_refs): Do not continue to valueize random data.

2009-04-08  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (valueize_refs): Do not continue to
	valueize random data.

From-SVN: r145768

gcc/ChangeLog

+2009-04-08  Richard Guenther  <rguenther@suse.de>
+
+	* tree-ssa-sccvn.c (valueize_refs): Do not continue to
+	valueize random data.
+
 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
 
 	* config.gcc (aix tm_file):  Add aix-stdint.h.

gcc/tree-ssa-sccvn.c

@@ -833,7 +833,10 @@ valueize_refs (VEC (vn_reference_op_s, heap) *orig)
 	  if (i > 0 && TREE_CODE (vro->op0) == ADDR_EXPR
 	      && VEC_index (vn_reference_op_s,
 			    orig, i - 1)->opcode == INDIRECT_REF)
-	    vn_reference_fold_indirect (&orig, &i);
+	    {
+	      vn_reference_fold_indirect (&orig, &i);
+	      continue;
+	    }
 	}
       if (vro->op1 && TREE_CODE (vro->op1) == SSA_NAME)
 	vro->op1 = SSA_VAL (vro->op1);