Increase coverage of global loads in optimized code

src/ast.h

 // Copyright 2010 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 1117 matching lines @@
 
   bool IsArguments() {
     Variable* variable = AsVariable();
     return (variable == NULL) ? false : variable->is_arguments();
   }
 
   Handle<String> name() const { return name_; }
   Variable* var() const { return var_; }
   bool is_this() const { return is_this_; }
   bool inside_with() const { return inside_with_; }
+  int position() const { return position_; }
 
   void MarkAsTrivial() { is_trivial_ = true; }
 
   // Bind this proxy to the variable var.
   void BindTo(Variable* var);
 
  protected:
   Handle<String> name_;
   Variable* var_;  // resolved variable, or NULL
   bool is_this_;
   bool inside_with_;
   bool is_trivial_;
+  int position_;
 
-  VariableProxy(Handle<String> name, bool is_this, bool inside_with);
+  VariableProxy(Handle<String> name,
+                bool is_this,
+                bool inside_with,
+                int position = RelocInfo::kNoPosition);
   explicit VariableProxy(bool is_this);
 
   friend class Scope;
 };
 
 
 class VariableProxySentinel: public VariableProxy {
  public:
   virtual bool IsValidLeftHandSide() { return !is_this(); }
 
@@ skipping 147 matching lines @@
 
   void RecordTypeFeedback(TypeFeedbackOracle* oracle);
   virtual ZoneMapList* GetReceiverTypes() { return receiver_types_; }
   virtual bool IsMonomorphic() { return is_monomorphic_; }
   CheckType check_type() const { return check_type_; }
   Handle<JSFunction> target() { return target_; }
   Handle<JSObject> holder() { return holder_; }
   Handle<JSGlobalPropertyCell> cell() { return cell_; }
 
   bool ComputeTarget(Handle<Map> type, Handle<String> name);
-  bool ComputeGlobalTarget(Handle<GlobalObject> global, Handle<String> name);
+  bool ComputeGlobalTarget(Handle<GlobalObject> global, LookupResult* lookup);
 
   // Bailout support.
   int ReturnId() const { return return_id_; }
 
 #ifdef DEBUG
   // Used to assert that the FullCodeGenerator records the return site.
   bool return_is_recorded_;
 #endif
 
  private:
@@ skipping 895 matching lines @@
 
  private:
   Isolate* isolate_;
   bool stack_overflow_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_