448     add_users_to_worklist(old);

   448     add_users_to_worklist(old);

   449     hash_delete(old);

   449     hash_delete(old);

   450     subsume_node(old, nn);

   450     subsume_node(old, nn);

   451   }

   451   }

   452 

   452 

   453   void set_delay_transform(bool delay) {

   455   void set_delay_transform(bool delay) {

   454     _delay_transform = delay;

   456     _delay_transform = delay;

   455   }

   457   }

   456 

   458 

   457 #ifndef PRODUCT

   459 #ifndef PRODUCT