diff -r 26b065bb4ee7 -r 8cc5b440fdde src/share/classes/com/sun/tools/javac/tree/TreeCopier.java
--- a/src/share/classes/com/sun/tools/javac/tree/TreeCopier.java	Mon Apr 04 19:36:26 2011 +0100
+++ b/src/share/classes/com/sun/tools/javac/tree/TreeCopier.java	Wed Apr 06 19:30:57 2011 -0700
@@ -338,10 +338,10 @@
         return M.at(t.pos).TypeApply(clazz, arguments);
     }
 
-    public JCTree visitDisjunctiveType(DisjunctiveTypeTree node, P p) {
-        JCTypeDisjunction t = (JCTypeDisjunction) node;
+    public JCTree visitUnionType(UnionTypeTree node, P p) {
+        JCTypeUnion t = (JCTypeUnion) node;
         List<JCExpression> components = copy(t.alternatives, p);
-        return M.at(t.pos).TypeDisjunction(components);
+        return M.at(t.pos).TypeUnion(components);
     }
 
     public JCTree visitArrayType(ArrayTypeTree node, P p) {