diff options
| -rw-r--r-- | js/src/jsarray.cpp | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/js/src/jsarray.cpp b/js/src/jsarray.cpp index 87d1a5acc..4ee967d4c 100644 --- a/js/src/jsarray.cpp +++ b/js/src/jsarray.cpp @@ -2106,15 +2106,14 @@ js::ArrayShiftMoveElements(NativeObject* obj) MOZ_ASSERT_IF(obj->is<ArrayObject>(), obj->as<ArrayObject>().lengthIsWritable()); size_t initlen = obj->getDenseInitializedLength(); - - if (initlen > 0) { - /* - * At this point the length and initialized length have already been - * decremented and the result fetched, so just shift the array elements - * themselves. - */ - obj->moveDenseElementsNoPreBarrier(0, 1, initlen); - } + MOZ_ASSERT(initlen > 0); + + /* + * At this point the length and initialized length have already been + * decremented and the result fetched, so just shift the array elements + * themselves. + */ + obj->moveDenseElementsNoPreBarrier(0, 1, initlen); } static inline void |