qualify core types: Object, Error, Symbol

test/codegen/misc.dart

 // Copyright (c) 2015, 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.
 
 
 // Codegen dependency order test
 const UNINITIALIZED = const _Uninitialized();
 class _Uninitialized { const _Uninitialized(); }
 
 class Generic<T> {
@@ skipping 23 matching lines @@
 const _escapeMap = const {
   '\n': r'\n',
   '\r': r'\r',
   '\f': r'\f',
   '\b': r'\b',
   '\t': r'\t',
   '\v': r'\v',
   '\x7F': r'\x7F', // delete
 };
 
+// Wacky but supported...
+class Symbol<T> {
+  final T _foo;
+  Symbol(this._foo);
+}
+
 
 main() {
   // Number literals in call expressions.
   print(1.toString());
   print(1.0.toString());
   print(1.1.toString());
 
   // Type literals, #184
   dynamic x = 42;
   print(x == dynamic);
   print(x == Generic);
 
   // Should be Generic<dynamic>
   print(new Generic<int>().type);
 
   print(new Derived() == new Derived()); // true
+
+  print(new Symbol<String>('hi')._foo);
 }