diff -r 899e1748bb17 -r 515e4b33b335 langtools/src/share/classes/com/sun/source/util/TreeScanner.java
--- a/langtools/src/share/classes/com/sun/source/util/TreeScanner.java	Sun May 02 15:55:02 2010 -0700
+++ b/langtools/src/share/classes/com/sun/source/util/TreeScanner.java	Mon May 03 17:12:59 2010 -0700
@@ -354,6 +354,10 @@
         return r;
     }
 
+    public R visitDisjointType(DisjointTypeTree node, P p) {
+        return scan(node.getTypeComponents(), p);
+    }
+
     public R visitTypeParameter(TypeParameterTree node, P p) {
         R r = scan(node.getAnnotations(), p);
         r = scanAndReduce(node.getBounds(), p, r);