548                                 Handle<Object> super_class,  in DefineClass()  argument
554   if (super_class->IsTheHole(isolate)) {  in DefineClass()
557     if (super_class->IsNull(isolate)) {  in DefineClass()
559     } else if (super_class->IsConstructor()) {  in DefineClass()
560       DCHECK(!super_class->IsJSFunction() ||  in DefineClass()
562                  Handle<JSFunction>::cast(super_class)->shared()->kind()));  in DefineClass()
565           Runtime::GetObjectProperty(isolate, super_class,  in DefineClass()
578       constructor_parent = handle(*super_class, isolate);  in DefineClass()
582                                    super_class),  in DefineClass()
616   CONVERT_ARG_HANDLE_CHECKED(Object, super_class, 2);  in RUNTIME_FUNCTION()
621       DefineClass(isolate, class_boilerplate, super_class, constructor, args));  in RUNTIME_FUNCTION()