| Index: src/objects-inl.h | 
| diff --git a/src/objects-inl.h b/src/objects-inl.h | 
| index f5d5c527106c56929d0bc15fa3c6afed5a04b260..2f36f45bb00a324bb810b9a8035f64614de5ffe3 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) | 
| @@ -8209,6 +8211,9 @@ 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) | 
|  | 
|  |