Inline functions that use arguments object in f.apply(o, arguments) pattern.

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index a05fc776f848875e561e14e7c982229602b0134a..275efcc53882aa99d5dc8e6fccec8f926866fffb 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -184,7 +184,8 @@ class LChunkBuilder;
   V(ForInPrepareMap)                           \
   V(ForInCacheArray)                           \
   V(CheckMapValue)                             \
-  V(LoadFieldByIndex)
+  V(LoadFieldByIndex)                          \
+  V(WrapReceiver)
 
 #define GVN_FLAG_LIST(V)                       \
   V(Calls)                                     \
@@ -2502,6 +2503,25 @@ class HBinaryOperation: public HTemplateInstruction<3> {
 };
 
 
+class HWrapReceiver: public HTemplateInstruction<2> {
+ public:
+  HWrapReceiver(HValue* receiver, HValue* function) {
+    set_representation(Representation::Tagged());
+    SetOperandAt(0, receiver);
+    SetOperandAt(1, function);
+  }
+
+  virtual Representation RequiredInputRepresentation(int index) {
+    return Representation::Tagged();
+  }
+
+  HValue* receiver() { return OperandAt(0); }
+  HValue* function() { return OperandAt(1); }
+
+  DECLARE_CONCRETE_INSTRUCTION(WrapReceiver)
+};
+
+
 class HApplyArguments: public HTemplateInstruction<4> {
  public:
   HApplyArguments(HValue* function,