diff -r aef83975fed6 -r b5dca0b42963 langtools/src/share/classes/com/sun/source/tree/AssertTree.java
--- a/langtools/src/share/classes/com/sun/source/tree/AssertTree.java	Mon Feb 18 14:29:40 2013 -0800
+++ b/langtools/src/share/classes/com/sun/source/tree/AssertTree.java	Tue Feb 19 00:31:45 2013 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -41,6 +41,7 @@
  * @author Jonathan Gibbons
  * @since 1.6
  */
+@jdk.Supported
 public interface AssertTree extends StatementTree {
     ExpressionTree getCondition();
     ExpressionTree getDetail();