| Index: src/runtime/runtime-classes.cc | 
| diff --git a/src/runtime/runtime-classes.cc b/src/runtime/runtime-classes.cc | 
| index 8ddd20db3dab6403c5c08da4d646ad3b31ee0268..b4fb1a0eb34d7b9e692e758dd5495cedf885c6e5 100644 | 
| --- a/src/runtime/runtime-classes.cc | 
| +++ b/src/runtime/runtime-classes.cc | 
| @@ -36,9 +36,11 @@ RUNTIME_FUNCTION(Runtime_ThrowUnsupportedSuperError) { | 
|  | 
| RUNTIME_FUNCTION(Runtime_ThrowConstructorNonCallableError) { | 
| HandleScope scope(isolate); | 
| -  DCHECK(args.length() == 0); | 
| +  DCHECK(args.length() == 1); | 
| +  CONVERT_ARG_HANDLE_CHECKED(JSFunction, constructor, 0); | 
| THROW_NEW_ERROR_RETURN_FAILURE( | 
| -      isolate, NewTypeError(MessageTemplate::kConstructorNonCallable)); | 
| +      isolate, | 
| +      NewTypeError(MessageTemplate::kConstructorNonCallable, constructor)); | 
| } | 
|  | 
|  | 
|  |