tree-iterator.c (append_to_statement_list_1): Handle case that *list_p is not a STMT_LIST.

2012-04-17  Tom de Vries  <tom@codesourcery.com>

	* tree-iterator.c (append_to_statement_list_1): Handle case that *list_p
	is not a STMT_LIST.

From-SVN: r186545

gcc/ChangeLog

+2012-04-17  Tom de Vries  <tom@codesourcery.com>
+
+	* tree-iterator.c (append_to_statement_list_1): Handle case that *list_p
+	is not a STMT_LIST.
+
 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/53020

gcc/tree-iterator.c

@@ -74,6 +74,13 @@ append_to_statement_list_1 (tree t, tree *list_p)
 	}
       *list_p = list = alloc_stmt_list ();
     }
+  else if (TREE_CODE (list) != STATEMENT_LIST)
+    {
+      tree first = list;
+      *list_p = list = alloc_stmt_list ();
+      i = tsi_last (list);
+      tsi_link_after (&i, first, TSI_CONTINUE_LINKING);
+    }
 
   i = tsi_last (list);
   tsi_link_after (&i, t, TSI_CONTINUE_LINKING);