--- old/src/share/classes/com/sun/tools/javac/jvm/Gen.java	2009-12-27 19:02:20.000000000 +0100
+++ new/src/share/classes/com/sun/tools/javac/jvm/Gen.java	2009-12-27 19:02:19.000000000 +0100
@@ -310,6 +310,7 @@
     private void checkDimension(DiagnosticPosition pos, Type t) {
         switch (t.tag) {
         case METHOD:
+        case FUNCTION:
             checkDimension(pos, t.getReturnType());
             for (List<Type> args = t.getParameterTypes(); args.nonEmpty(); args = args.tail)
                 checkDimension(pos, args.head);