free_prune_data   843 apps/traincascade/old_ml.hpp     virtual void free_prune_data(bool cut_tree);
free_prune_data  3465 apps/traincascade/old_ml_tree.cpp     free_prune_data(data->params.truncate_pruned_tree != 0);
free_prune_data  3612 apps/traincascade/old_ml_tree.cpp         free_prune_data(true);