Make HDeoptimize to explicitly use environment values....

src/hydrogen-instructions.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 739 matching lines @@
 class HBlockEntry: public HTemplateInstruction<0> {
  public:
   virtual Representation RequiredInputRepresentation(int index) const {
     return Representation::None();
   }
 
   DECLARE_CONCRETE_INSTRUCTION(BlockEntry, "block_entry")
 };
 
 
-class HDeoptimize: public HTemplateControlInstruction<0> {
+class HDeoptimize: public HControlInstruction {
  public:
-  HDeoptimize() : HTemplateControlInstruction<0>(NULL, NULL) { }
+  HDeoptimize(int environment_length)
+      : HControlInstruction(NULL, NULL),
+        values_(environment_length) { }
 
   virtual Representation RequiredInputRepresentation(int index) const {
     return Representation::None();
   }
 
+  virtual int OperandCount() { return values_.length(); }
+  virtual HValue* OperandAt(int index) { return values_[index]; }
+
+  void AddEnvironmentValue(HValue* value) {
+    values_.Add(NULL);
+    SetOperandAt(values_.length() - 1, value);
+  }
+
   DECLARE_CONCRETE_INSTRUCTION(Deoptimize, "deoptimize")
+
+ protected:
+  virtual void InternalSetOperandAt(int index, HValue* value) {
+    values_[index] = value;
+  }
+
+ private:
+  ZoneList<HValue*> values_;
 };
 
 
 class HGoto: public HTemplateControlInstruction<0> {
  public:
   explicit HGoto(HBasicBlock* target)
       : HTemplateControlInstruction<0>(target, NULL),
         include_stack_check_(false) { }
 
   void set_include_stack_check(bool include_stack_check) {
@@ skipping 2700 matching lines @@
   HValue* object() { return left(); }
   HValue* key() { return right(); }
 };
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_