| Index: src/api.cc
 | 
| diff --git a/src/api.cc b/src/api.cc
 | 
| index 4a4a7fb8e535deee5ab74506241adcc1ea5f8ff0..fbbb5223f2939d6f37065ebdb832a387b363a348 100644
 | 
| --- a/src/api.cc
 | 
| +++ b/src/api.cc
 | 
| @@ -2571,7 +2571,7 @@ bool Value::IsUint32() const {
 | 
|  static bool CheckConstructor(i::Isolate* isolate,
 | 
|                               i::Handle<i::JSObject> obj,
 | 
|                               const char* class_name) {
 | 
| -  i::Handle<i::Object> constr(obj->map()->constructor(), isolate);
 | 
| +  i::Handle<i::Object> constr(obj->map()->GetConstructor(), isolate);
 | 
|    if (!constr->IsJSFunction()) return false;
 | 
|    i::Handle<i::JSFunction> func = i::Handle<i::JSFunction>::cast(constr);
 | 
|    return func->shared()->native() && constr.is_identical_to(
 | 
| 
 |