| Index: src/objects-inl.h | 
| diff --git a/src/objects-inl.h b/src/objects-inl.h | 
| index 38e0a4a26b0887a41d23042d60134ee30287d4d6..3c102995ce22fc0a6f981406813641db67bac6d4 100644 | 
| --- a/src/objects-inl.h | 
| +++ b/src/objects-inl.h | 
| @@ -164,6 +164,7 @@ TYPE_CHECKER(JSPromise, JS_PROMISE_TYPE) | 
| TYPE_CHECKER(JSRegExp, JS_REGEXP_TYPE) | 
| TYPE_CHECKER(JSSet, JS_SET_TYPE) | 
| TYPE_CHECKER(JSSetIterator, JS_SET_ITERATOR_TYPE) | 
| +TYPE_CHECKER(JSAsyncFromSyncIterator, JS_ASYNC_FROM_SYNC_ITERATOR_TYPE) | 
| TYPE_CHECKER(JSStringIterator, JS_STRING_ITERATOR_TYPE) | 
| TYPE_CHECKER(JSTypedArray, JS_TYPED_ARRAY_TYPE) | 
| TYPE_CHECKER(JSValue, JS_VALUE_TYPE) | 
| @@ -656,6 +657,7 @@ CAST_ACCESSOR(JSPromiseCapability) | 
| CAST_ACCESSOR(JSPromise) | 
| CAST_ACCESSOR(JSSet) | 
| CAST_ACCESSOR(JSSetIterator) | 
| +CAST_ACCESSOR(JSAsyncFromSyncIterator) | 
| CAST_ACCESSOR(JSStringIterator) | 
| CAST_ACCESSOR(JSArrayIterator) | 
| CAST_ACCESSOR(JSTypedArray) | 
| @@ -8207,6 +8209,9 @@ ACCESSORS(JSArrayIterator, object, Object, kIteratedObjectOffset) | 
| ACCESSORS(JSArrayIterator, index, Object, kNextIndexOffset) | 
| ACCESSORS(JSArrayIterator, object_map, Object, kIteratedObjectMapOffset) | 
|  | 
| +ACCESSORS(JSAsyncFromSyncIterator, sync_iterator, HeapObject, | 
| +          kSyncIteratorOffset) | 
| + | 
| ACCESSORS(JSStringIterator, string, String, kStringOffset) | 
| SMI_ACCESSORS(JSStringIterator, index, kNextIndexOffset) | 
|  | 
|  |