Handle resolution of Class.named<TypeArg> correctly.

tests/language/named_constructor_test.dart

+// 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.
+
+library named_constructor_test;
+
+import 'package:expect/expect.dart';
+import 'named_constructor_lib.dart' as prefix;
+
+class Class<T> {
+  final int value;
+  Class() : value = 0;
+  Class.named() : value = 1;
+}
+
+void main() {
+  Expect.equals(0, new Class().value);
+  Expect.equals(0, new Class<int>().value);
+
+  Expect.equals(1, new Class.named().value);
+  Expect.equals(1, new Class<int>.named().value);
+  // 'Class.named' is not a type:
+  Expect.equals(1, new Class.named<int>().value); /// 01: runtime error
+  // 'Class<int>.named<int>' doesn't fit the grammar syntax T.id:
+  Expect.equals(1, new Class<int>.named<int>().value); /// 02: compile-time error
+
+  Expect.equals(2, new prefix.Class().value);
+  // 'prefix' is not a type:
+  Expect.equals(2, new prefix<int>.Class().value); /// 03: runtime error
+  Expect.equals(2, new prefix.Class<int>().value);
+  // 'prefix<int>.Class<int>' doesn't fit the grammar syntax T.id:
+  Expect.equals(2, new prefix<int>.Class<int>().value); /// 04: compile-time error
+
+  Expect.equals(3, new prefix.Class.named().value);
+  // 'prefix<int>.Class.named' doesn't fit the grammar syntax T.id:
+  Expect.equals(3, new prefix<int>.Class.named().value); /// 05: compile-time error
+  // 'prefix.Class<int>.named' doesn't fit the grammar syntax T.id:
+  Expect.equals(3, new prefix.Class<int>.named().value);
+  // 'prefix.Class.named<int>' doesn't fit the grammar syntax T.id:
+  Expect.equals(3, new prefix.Class.named<int>().value); /// 06: compile-time error
+  // 'prefix<int>.Class<int>' doesn't fit the grammar syntax T.id:
+  Expect.equals(3, new prefix<int>.Class<int>.named().value); /// 07: compile-time error
+  // 'prefix<int>.Class.named<int>' doesn't fit the grammar syntax T.id:
+  Expect.equals(3, new prefix<int>.Class.named<int>().value); /// 08: compile-time error
+  // 'prefix.Class<int>.named<int>' doesn't fit the grammar syntax T.id:
+  Expect.equals(3, new prefix.Class<int>.named<int>().value); /// 09: compile-time error
+  // 'prefix<int>.Class<int>.named<int>' doesn't fit the grammar syntax T.id:
+  Expect.equals(3, new prefix<int>.Class<int>.named<int>().value); /// 10: compile-time error
+}