Back off normalizing on set length in sync with adding a property

src/elements.cc

Index: src/elements.cc
diff --git a/src/elements.cc b/src/elements.cc
index 1f1cd5696ab7153e6bd40cbee1f753df97d92ac8..7ea6554b32237ae8e6c3a8cb34f9fd7ba375e91b 100644
--- a/src/elements.cc
+++ b/src/elements.cc
@@ -1842,7 +1842,7 @@ template <typename ElementsAccessorSubclass, typename ElementsKindTraits>
 void ElementsAccessorBase<ElementsAccessorSubclass, ElementsKindTraits>::
     SetLengthImpl(Handle<JSArray> array, uint32_t length,
                   Handle<FixedArrayBase> backing_store) {
-  DCHECK(!JSArray::SetLengthWouldNormalize(array->GetHeap(), length));
+  DCHECK(!array->SetLengthWouldNormalize(length));
   DCHECK(IsFastElementsKind(array->GetElementsKind()));
   uint32_t old_length = 0;
   CHECK(array->length()->ToArrayIndex(&old_length));