Version 4.8.2.1 (cherry-pick)

src/elements.cc

Index: src/elements.cc
diff --git a/src/elements.cc b/src/elements.cc
index 8323c8950f890e373e2e385631782f41daf9460a..6371fd727a6ece56a5fbd3011d5547c4f25c6c0e 100644
--- a/src/elements.cc
+++ b/src/elements.cc
@@ -2170,7 +2170,7 @@ MaybeHandle<Object> ArrayConstructInitializeElements(Handle<JSArray> array,
 
     // Optimize the case where there is one argument and the argument is a small
     // smi.
-    if (length > 0 && length < JSArray::kInitialMaxFastElementArray) {
+    if (length > 0 && length < JSObject::kInitialMaxFastElementArray) {
       ElementsKind elements_kind = array->GetElementsKind();
       JSArray::Initialize(array, length, length);