Index: src/types.cc |
diff --git a/src/types.cc b/src/types.cc |
index b1002be26ae93f2bcf25cf6d8ba6453ef605484b..64c368c95514189c77ba0b60e298b3c9d1632a7f 100644 |
--- a/src/types.cc |
+++ b/src/types.cc |
@@ -244,6 +244,7 @@ TypeImpl<Config>::BitsetType::Lub(i::Map* map) { |
case JS_ITERATOR_RESULT_TYPE: |
case JS_WEAK_MAP_TYPE: |
case JS_WEAK_SET_TYPE: |
+ case JS_PROMISE_TYPE: |
if (map->is_undetectable()) return kUndetectable; |
return kOtherObject; |
case JS_FUNCTION_TYPE: |