--- a/langtools/src/share/classes/com/sun/tools/javac/tree/TreeMaker.java	Wed Mar 02 21:06:17 2011 -0800
+++ b/langtools/src/share/classes/com/sun/tools/javac/tree/TreeMaker.java	Wed Mar 02 21:13:55 2011 -0800
@@ -146,7 +146,7 @@
     public JCClassDecl ClassDef(JCModifiers mods,
                                 Name name,
                                 List<JCTypeParameter> typarams,
-                                JCTree extending,
+                                JCExpression extending,
                                 List<JCExpression> implementing,
                                 List<JCTree> defs)
     {