瑜伽師地論略纂 16.27

16.27

「所治若有，生已無滅」者，謂所治之惑若有，無間道生已，與惑俱不滅也。

"If the object of antidote exists, having arisen it does not perish": this means that if the delusion that is the object of antidote exists, once the unhindered path has arisen, it does not perish together with the delusion.