Handle type checking of generic compile time constants.

tests/language/regress_14348_test.dart

+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file

[karlklose, 2014/01/29 10:44:23]

2013 -> 2014.

[Johnni Winther, 2014/01/30 08:25:23]

Done.

+// 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.
+
+// Regression test for issue 14348.
+
+import "package:collection_helpers/equality.dart";
+
+main() {
+  const Equality<Iterable> eq = const UnorderedIterableEquality();
+  const Equality<Map<dynamic,Iterable>> mapeq =
+     const MapEquality<dynamic, dynamic>(values: eq);
+}