Fix reintroduction of global variables that have been deleted.

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 2557 matching lines @@
   }
 
  private:
   Handle<JSGlobalPropertyCell> cell_;
   bool check_hole_value_;
 };
 
 
 class HStoreGlobal: public HUnaryOperation {
  public:
-  HStoreGlobal(HValue* value, Handle<JSGlobalPropertyCell> cell)
-      : HUnaryOperation(value), cell_(cell) {
+  HStoreGlobal(HValue* value,
+               Handle<JSGlobalPropertyCell> cell,
+               bool check_hole_value)
+      : HUnaryOperation(value),
+        cell_(cell),
+        check_hole_value_(check_hole_value) {
     SetFlag(kChangesGlobalVars);
   }
 
   Handle<JSGlobalPropertyCell> cell() const { return cell_; }
+  bool check_hole_value() const { return check_hole_value_; }
 
   virtual Representation RequiredInputRepresentation(int index) const {
     return Representation::Tagged();
   }
   virtual void PrintDataTo(StringStream* stream) const;
 
   DECLARE_CONCRETE_INSTRUCTION(StoreGlobal, "store_global")
 
  private:
   Handle<JSGlobalPropertyCell> cell_;
+  bool check_hole_value_;
 };
 
 
 class HLoadContextSlot: public HInstruction {
  public:
   HLoadContextSlot(int context_chain_length , int slot_index)
       : context_chain_length_(context_chain_length), slot_index_(slot_index) {
     set_representation(Representation::Tagged());
     SetFlag(kUseGVN);
     SetFlag(kDependsOnCalls);
@@ skipping 494 matching lines @@
   HValue* object() const { return left(); }
   HValue* key() const { return right(); }
 };
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_