Fix a bug parsing generic methods

pkg/analyzer/lib/src/generated/parser.dart

 // Copyright (c) 2014, 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 engine.parser;
 
 import 'dart:collection';
 import "dart:math" as math;
 
 import 'ast.dart';
@@ skipping 5108 matching lines @@
         return _parseFunctionDeclaration(
             commentAndMetadata, modifiers.externalKeyword, returnType);
       } else if (_matchesKeyword(Keyword.OPERATOR) && _isOperator(_peek())) {
         _reportErrorForToken(ParserErrorCode.TOP_LEVEL_OPERATOR, _currentToken);
         return _convertToFunctionDeclaration(_parseOperator(
             commentAndMetadata, modifiers.externalKeyword, returnType));
       } else if (_matchesIdentifier() &&
           _peek().matchesAny([
             TokenType.OPEN_PAREN,
             TokenType.OPEN_CURLY_BRACKET,
-            TokenType.FUNCTION
+            TokenType.FUNCTION,
+            TokenType.LT
           ])) {
         _validateModifiersForTopLevelFunction(modifiers);
         return _parseFunctionDeclaration(
             commentAndMetadata, modifiers.externalKeyword, returnType);
       } else {
         //
         // We have found an error of some kind. Try to recover.
         //
         if (_matchesIdentifier()) {
           if (_peek().matchesAny(
@@ skipping 6034 matching lines @@
   }
 
   /**
    * Copy resolution data from the [fromNode] to the [toNode].
    */
   static void copyResolutionData(AstNode fromNode, AstNode toNode) {
     ResolutionCopier copier = new ResolutionCopier();
     copier._isEqualNodes(fromNode, toNode);
   }
 }