Add a test that makes both dart2js and the VM crash.

tests/language/type_variable_field_initializer_closure_test.dart

Index: tests/language/type_variable_field_initializer_closure_test.dart
===================================================================
--- tests/language/type_variable_field_initializer_closure_test.dart	(revision 0)
+++ tests/language/type_variable_field_initializer_closure_test.dart	(revision 0)
@@ -0,0 +1,18 @@
+// 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.
+
+// Check that an inlined field closure has access to the enclosing
+// type variables.
+
+class A<T> {
+  var c = (() => new List<T>())();
+}
+
+class B<T> extends A<T> {
+}
+
+main() {
+  Expect.isTrue(new B<int>().c is List<int>);
+  Expect.isFalse(new B<String>().c is List<int>);
+}