map fasta error codes to analyzer

pkg/front_end/lib/src/fasta/fasta_codes_generated.dart

 // Copyright (c) 2017, 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.
 
 // NOTE: THIS FILE IS GENERATED. DO NOT EDIT.
 //
 // Instead modify 'pkg/front_end/messages.yaml' and run
 // 'pkg/front_end/tool/_fasta/generate_messages.dart' to update.
 
 part of fasta.codes;
@@ skipping 1007 matching lines @@
 const Template<Message Function(Token token)> templateExtraneousModifier =
     const Template<Message Function(Token token)>(
         messageTemplate: r"""Can't have modifier '#lexeme' here.""",
         tipTemplate: r"""Try removing '#lexeme'.""",
         withArguments: _withArgumentsExtraneousModifier);
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Code<Message Function(Token token)> codeExtraneousModifier =
     const Code<Message Function(Token token)>(
         "ExtraneousModifier", templateExtraneousModifier,
-        analyzerCode: "UNEXPECTED_TOKEN", dart2jsCode: "EXTRANEOUS_MODIFIER");
+        analyzerCode: "EXTRANEOUS_MODIFIER",
+        dart2jsCode: "EXTRANEOUS_MODIFIER");
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 Message _withArgumentsExtraneousModifier(Token token) {
   String lexeme = token.lexeme;
   return new Message(codeExtraneousModifier,
       message: """Can't have modifier '$lexeme' here.""",
       tip: """Try removing '$lexeme'.""",
       arguments: {'token': token});
 }
 
@@ skipping 2058 matching lines @@
         r"""'yield' can't be used as an identifier in 'async', 'async*', or 'sync*' methods.""");
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Code<Null> codeYieldNotGenerator = messageYieldNotGenerator;
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const MessageCode messageYieldNotGenerator = const MessageCode(
     "YieldNotGenerator",
     dart2jsCode: "*ignored*",
     message: r"""'yield' can only be used in 'sync*' or 'async*' methods.""");