Optimizing noSuchMethod invocation with no arguments.

tests/language/no_such_method_dispatcher_test.dart

Index: tests/language/no_such_method_dispatcher_test.dart
===================================================================
--- tests/language/no_such_method_dispatcher_test.dart	(revision 0)
+++ tests/language/no_such_method_dispatcher_test.dart	(revision 0)
@@ -0,0 +1,23 @@
+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import "package:expect/expect.dart";
+
+// Test that noSuchMethod dispatching and auto-closurization work correctly.
+
+class A {
+  noSuchMethod(m) {
+    return 123;
+  }
+}
+
+class B extends A { }
+
+main() {
+  var b = new B();
+  for (var i = 0; i < 5000; ++i) Expect.equals(123, b.foo());
+  Expect.throws(() => (b.foo)());
+  Expect.equals("123", (b.foo).toString());
+}
+