- Add a test for setters without corresponding getters.

tests/language/setter_no_getter_call_test.dart

+// Copyright (c) 2012, 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.
+
+var topLevelClosure;
+
+/*    /// 01: compile-time error
+get topLevel() => topLevelClosure;
+*/   /// 01: continued
+set topLevel(var value) { }
+
+initialize() {
+  print("initializing");
+  topLevelClosure = tlc(x) => x * 2;
+}
+
+main() {
+  initialize();
+  var x = topLevelClosure(2);
+  Expect.equals(4, x);
+
+  x = topLevel(3);
+  Expect.equals(6, x);
+}