Class methods should be non enumerable

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 92ee51416189f73dcb8d80805f6ccc539a873530..7573bbb5134a879ac36a0f92bc04a1a1aa13bd61 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -12717,9 +12717,11 @@ MaybeHandle<Object> JSReceiver::SetElement(Handle<JSReceiver> object,
 MaybeHandle<Object> JSObject::SetOwnElement(Handle<JSObject> object,
                                             uint32_t index,
                                             Handle<Object> value,
+                                            PropertyAttributes attributes,
                                             LanguageMode language_mode) {
   DCHECK(!object->HasExternalArrayElements());
-  return JSObject::SetElement(object, index, value, NONE, language_mode, false);
+  return JSObject::SetElement(object, index, value, attributes, language_mode,
+                              false);
 }