Implement stricter rule about self referencing typedefs (fix issue 13675).

runtime/vm/parser.h

 // Copyright (c) 2012, 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.
 
 #ifndef VM_PARSER_H_
 #define VM_PARSER_H_
 
 #include "include/dart_api.h"
 
 #include "lib/invocation_mirror.h"
@@ skipping 516 matching lines @@
   AstNode* ParseVariableDeclarationList();
   AstNode* ParseFunctionStatement(bool is_literal);
   AstNode* ParseStatement();
   SequenceNode* ParseNestedStatement(bool parsing_loop_body,
                                      SourceLabel* label);
   void ParseStatementSequence();
   bool IsIdentifier();
   bool IsSimpleLiteral(const AbstractType& type, Instance* value);
   bool IsFunctionTypeAliasName();
   bool IsMixinTypedef();
-  bool TryParseTypeParameter();
+  bool TryParseTypeParameters();
   bool TryParseOptionalType();
   bool TryParseReturnType();
   bool IsVariableDeclaration();
   bool IsFunctionDeclaration();
   bool IsFunctionLiteral();
   bool IsForInStatement();
   bool IsTopLevelAccessor();
 
   AstNode* ParseBinaryExpr(int min_preced);
   LiteralNode* ParseConstExpr();
@@ skipping 171 matching lines @@
   intptr_t last_used_try_index_;
 
   bool unregister_pending_function_;
 
   DISALLOW_COPY_AND_ASSIGN(Parser);
 };
 
 }  // namespace dart
 
 #endif  // VM_PARSER_H_