Fix issue with numeric property names

src/parser.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_PARSER_H_
 #define V8_PARSER_H_
 
 #include "src/allocation.h"
 #include "src/ast.h"
 #include "src/compiler.h"  // For CachedDataMode
@@ skipping 516 matching lines @@
   // Non-NULL empty string.
   V8_INLINE const AstRawString* EmptyIdentifierString();
 
   // Odd-ball literal creators.
   Literal* GetLiteralTheHole(int position,
                              AstNodeFactory<AstConstructionVisitor>* factory);
 
   // Producing data during the recursive descent.
   const AstRawString* GetSymbol(Scanner* scanner);
   const AstRawString* GetNextSymbol(Scanner* scanner);
+  const AstRawString* GetNumberAsSymbol(Scanner* scanner);
 
   Expression* ThisExpression(Scope* scope,
                              AstNodeFactory<AstConstructionVisitor>* factory,
                              int pos = RelocInfo::kNoPosition);
   Expression* SuperReference(Scope* scope,
                              AstNodeFactory<AstConstructionVisitor>* factory,
                              int pos = RelocInfo::kNoPosition);
   Literal* ExpressionFromLiteral(
       Token::Value token, int pos, Scanner* scanner,
       AstNodeFactory<AstConstructionVisitor>* factory);
@@ skipping 343 matching lines @@
  private:
   static const int kLiteralTypeSlot = 0;
   static const int kElementsSlot = 1;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_