Added type recording for unary minus and unary bitwise negation. Note that the

src/ast.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1372 matching lines @@
 
  private:
   Handle<String> name_;
   const Runtime::Function* function_;
   ZoneList<Expression*>* arguments_;
 };
 
 
 class UnaryOperation: public Expression {
  public:
-  UnaryOperation(Token::Value op, Expression* expression)
-      : op_(op), expression_(expression) {
+  UnaryOperation(Token::Value op, Expression* expression, int pos)
+      : op_(op), expression_(expression), pos_(pos) {
     ASSERT(Token::IsUnaryOp(op));
   }
 
   DECLARE_NODE_TYPE(UnaryOperation)
 
   virtual bool IsInlineable() const;
 
   virtual bool ResultOverwriteAllowed();
 
   Token::Value op() const { return op_; }
   Expression* expression() const { return expression_; }
+  virtual int position() const { return pos_; }
 
  private:
   Token::Value op_;
   Expression* expression_;
+  int pos_;
 };
 
 
 class BinaryOperation: public Expression {
  public:
   BinaryOperation(Token::Value op,
                   Expression* left,
                   Expression* right,
                   int pos)
       : op_(op), left_(left), right_(right), pos_(pos) {
@@ skipping 756 matching lines @@
 
  private:
   Isolate* isolate_;
   bool stack_overflow_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_