// for retainer profilng.
for (weak = weak_ptr_list; weak != NULL; weak = weak->link)
// retainRoot((StgClosure *)weak);
- retainRoot((StgClosure **)&weak, NULL);
+ retainRoot(NULL, (StgClosure **)&weak);
// Consider roots from the stable ptr table.
markStablePtrTable(retainRoot, NULL);