4303 static struct haifa_saved_data *backtrack_queue;  variable
4374   save->next = backtrack_queue;  in save_backtrack_point()
4375   backtrack_queue = save;  in save_backtrack_point()
4525   struct haifa_saved_data *save = backtrack_queue;  in restore_last_backtrack_point()
4527   backtrack_queue = save->next;  in restore_last_backtrack_point()
4622   for (save = backtrack_queue; save; save = save->next)  in restore_last_backtrack_point()
4635   struct haifa_saved_data *save = backtrack_queue;  in free_topmost_backtrack_point()
4638   backtrack_queue = save->next;  in free_topmost_backtrack_point()
4673   while (backtrack_queue)  in free_backtrack_queue()
4709       if (backtrack_queue != NULL)  in apply_replacement()
4711 	  backtrack_queue->replacement_deps.safe_push (dep);  in apply_replacement()
4712 	  backtrack_queue->replace_apply.safe_push (1);  in apply_replacement()
4760       if (backtrack_queue != NULL)  in restore_pattern()
4762 	  backtrack_queue->replacement_deps.safe_push (dep);  in restore_pattern()
4763 	  backtrack_queue->replace_apply.safe_push (0);  in restore_pattern()
6358   for (save = backtrack_queue; save; save = save->next)  in verify_shadows()
6468   backtrack_queue = NULL;  in schedule_block()
6924 	  while (failed != backtrack_queue)  in schedule_block()