1 files changed, 6 insertions, 5 deletions
diff --git a/js/src/vm/GlobalObject.cpp b/js/src/vm/GlobalObject.cpp
index 013208f66..70c33c647 100644
--- a/js/src/vm/GlobalObject.cpp
+++ b/js/src/vm/GlobalObject.cpp
@@ -586,17 +586,18 @@ GlobalObject::createBlankPrototypeInheriting(JSContext* cx, Handle<GlobalObject*
 }
 
 bool
-js::LinkConstructorAndPrototype(JSContext* cx, JSObject* ctor_, JSObject* proto_)
+js::LinkConstructorAndPrototype(JSContext* cx, JSObject* ctor_, JSObject* proto_,
+                                unsigned prototypeAttrs, unsigned constructorAttrs)
 {
     RootedObject ctor(cx, ctor_), proto(cx, proto_);
 
     RootedValue protoVal(cx, ObjectValue(*proto));
     RootedValue ctorVal(cx, ObjectValue(*ctor));
 
-    return DefineProperty(cx, ctor, cx->names().prototype, protoVal,
-                          nullptr, nullptr, JSPROP_PERMANENT | JSPROP_READONLY) &&
-           DefineProperty(cx, proto, cx->names().constructor, ctorVal,
-                          nullptr, nullptr, 0);
+    return DefineProperty(cx, ctor, cx->names().prototype, protoVal, nullptr, nullptr,
+                          prototypeAttrs) &&
+           DefineProperty(cx, proto, cx->names().constructor, ctorVal, nullptr, nullptr,
+                          constructorAttrs);
 }
 
 bool