Avoid duplicated messages.

dart/tests/compiler/dart2js/message_kind_helper.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 dart2js.test.message_kind_helper;
 
 import 'package:expect/expect.dart';
 import 'dart:async';
 
 import 'package:compiler/src/dart2jslib.dart' show
@@ skipping 20 matching lines @@
     MessageKind.FINAL_FUNCTION_TYPE_PARAMETER,
     MessageKind.FORMAL_DECLARED_CONST,
     MessageKind.FORMAL_DECLARED_STATIC,
     MessageKind.FUNCTION_TYPE_FORMAL_WITH_DEFAULT,
     MessageKind.HIDDEN_IMPLICIT_IMPORT,
     MessageKind.HIDDEN_IMPORT,
     MessageKind.INHERIT_GETTER_AND_METHOD,
     MessageKind.UNIMPLEMENTED_METHOD,
     MessageKind.UNIMPLEMENTED_METHOD_ONE,
     MessageKind.VAR_FUNCTION_TYPE_PARAMETER,
-    MessageKind.VOID_NOT_ALLOWED,
-
-    MessageKind.INVALID_STARRED_KEYWORD, // TODO(ahe): Have CL to fix this.
-    MessageKind.INVALID_SYNC_MODIFIER, // TODO(ahe): Have CL to fix this.
-    MessageKind.NATIVE_NOT_SUPPORTED, // TODO(ahe): Have CL to fix this.
-    MessageKind.UNMATCHED_TOKEN, // TODO(ahe): Have CL to fix this.
-    MessageKind.UNTERMINATED_STRING, // TODO(ahe): Have CL to fix this.
 ]);
 
 /// Most messages can be tested without causing a fatal error. Add an exception
 /// here if a fatal error is unavoidable and leads to pending classes.
 /// Try to avoid adding exceptions here; a fatal error causes the compiler to
 /// stop before analyzing all input, and it isn't safe to reuse it.
 final Set<MessageKind> kindsWithPendingClasses = new Set<MessageKind>.from([
     // If you add something here, please file a *new* bug report.
 ]);
 
@@ skipping 75 matching lines @@
       Expect.isTrue(!pendingStuff || kindsWithPendingClasses.contains(kind));
 
       if (!pendingStuff) {
         // If there is pending stuff, or the compiler was cancelled, we
         // shouldn't reuse the compiler.
         cachedCompiler = compiler;
       }
     });
   }).then((_) => cachedCompiler);
 }