diff -r dda6a5b15580 -r 48ee63caaa93 src/share/classes/com/sun/tools/javac/tree/TreeInfo.java
--- a/src/share/classes/com/sun/tools/javac/tree/TreeInfo.java	Tue Mar 06 13:26:36 2012 +0000
+++ b/src/share/classes/com/sun/tools/javac/tree/TreeInfo.java	Tue Mar 06 13:28:05 2012 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2012, 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
@@ -102,6 +102,16 @@
         setOpname(MOD, "%", names);
     }
 
+    public static List<JCExpression> args(JCTree t) {
+        switch (t.getTag()) {
+            case APPLY:
+                return ((JCMethodInvocation)t).args;
+            case NEWCLASS:
+                return ((JCNewClass)t).args;
+            default:
+                return null;
+        }
+    }
 
     /** Return name of operator with given tree tag.
      */