ira-lives.c (check_and_make_def_use_conflict): Don't fall out array boundary.

	* ira-lives.c (check_and_make_def_use_conflict): Don't fall
	out array boundary.

From-SVN: r157299

gcc/ChangeLog

+2010-03-09  Jie Zhang  <jie@codesourcery.com>
+
+	* ira-lives.c (check_and_make_def_use_conflict): Don't fall
+	out array boundary.
+
 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
 
 	* Makefile.in (check_gcc_parallelize): Run dg-torture.exp and

gcc/ira-lives.c

@@ -456,7 +456,7 @@ check_and_make_def_use_conflict (rtx dreg, enum reg_class def_cl,
      different.  (Indeed, if the constraints for the two
      operands are the same for all alternatives, there's no
      point marking them as commutative.)  */
-  if (use < recog_data.n_operands + 1
+  if (use < recog_data.n_operands - 1
       && recog_data.constraints[use][0] == '%')
     advance_p
       = make_pseudo_conflict (recog_data.operand[use + 1],