Remove the 'caller' property from the strict-mode arguments map

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index e484c80203fe6e9b4817c3215cc18ee95a7887e3..e8325e75891053116b9199829bf51ae6cfda76f2 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -2519,23 +2519,20 @@ void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object,
     const PropertyAttributes attributes =
       static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY);
 
-    // Create the ThrowTypeError functions.
+    // Create the ThrowTypeError function.
     Handle<AccessorPair> callee = factory->NewAccessorPair();
-    Handle<AccessorPair> caller = factory->NewAccessorPair();
 
     Handle<JSFunction> poison = GetStrictArgumentsPoisonFunction();
 
-    // Install the ThrowTypeError functions.
+    // Install the ThrowTypeError function.
     callee->set_getter(*poison);
     callee->set_setter(*poison);
-    caller->set_getter(*poison);
-    caller->set_setter(*poison);
 
     // Create the map. Allocate one in-object field for length.
     Handle<Map> map = factory->NewMap(
         JS_ARGUMENTS_TYPE, JSStrictArgumentsObject::kSize, FAST_ELEMENTS);
     // Create the descriptor array for the arguments object.
-    Map::EnsureDescriptorSlack(map, 3);
+    Map::EnsureDescriptorSlack(map, 2);
 
     {  // length
       DataDescriptor d(factory->length_string(),
@@ -2548,11 +2545,6 @@ void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object,
                                    attributes);
       map->AppendDescriptor(&d);
     }
-    {  // caller
-      AccessorConstantDescriptor d(factory->caller_string(), caller,
-                                   attributes);
-      map->AppendDescriptor(&d);
-    }
     // @@iterator method is added later.
 
     DCHECK_EQ(native_context()->object_function()->prototype(),