Support arguments object access from inlined functions.

src/hydrogen-instructions.h

 // Copyright 2012 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 1335 matching lines @@
   Type type_;
 };
 
 
 class HEnterInlined: public HTemplateInstruction<0> {
  public:
   HEnterInlined(Handle<JSFunction> closure,
                 int arguments_count,
                 FunctionLiteral* function,
                 CallKind call_kind,
-                bool is_construct)
+                bool is_construct,
+                Variable* arguments)
       : closure_(closure),
         arguments_count_(arguments_count),
         function_(function),
         call_kind_(call_kind),
-        is_construct_(is_construct) {
+        is_construct_(is_construct),
+        arguments_(arguments),
+        materializes_arguments_(false) {
   }
 
   virtual void PrintDataTo(StringStream* stream);
 
   Handle<JSFunction> closure() const { return closure_; }
   int arguments_count() const { return arguments_count_; }
   FunctionLiteral* function() const { return function_; }
   CallKind call_kind() const { return call_kind_; }
   bool is_construct() const { return is_construct_; }
 
   virtual Representation RequiredInputRepresentation(int index) {
     return Representation::None();
   }
 
+  bool materializes_arguments() { return materializes_arguments_; }
+  void set_materializes_arguments(bool materializes_arguments) {
+    materializes_arguments_ = materializes_arguments;
+  }
+
+  Variable* arguments() { return arguments_; }
+
   DECLARE_CONCRETE_INSTRUCTION(EnterInlined)
 
  private:
   Handle<JSFunction> closure_;
   int arguments_count_;
   FunctionLiteral* function_;
   CallKind call_kind_;
   bool is_construct_;
+  Variable* arguments_;
+  bool materializes_arguments_;
 };
 
 
 class HLeaveInlined: public HTemplateInstruction<0> {
  public:
-  HLeaveInlined() {}
+  explicit HLeaveInlined(bool arguments_pushed)
+      : arguments_pushed_(arguments_pushed) { }
 
   virtual Representation RequiredInputRepresentation(int index) {
     return Representation::None();
   }
 
+  bool arguments_pushed() {
+    return arguments_pushed_;
+  }
+
   DECLARE_CONCRETE_INSTRUCTION(LeaveInlined)
+
+ private:
+  bool arguments_pushed_;
 };
 
 
 class HPushArgument: public HUnaryOperation {
  public:
   explicit HPushArgument(HValue* value) : HUnaryOperation(value) {
     set_representation(Representation::Tagged());
   }
 
   virtual Representation RequiredInputRepresentation(int index) {
@@ skipping 3415 matching lines @@
   DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex);
 };
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_