205     static std::unordered_set<TrackableItem*> object_addresses;  member
214         bool res = object_addresses.emplace(this).second;  in TrackableItem()
219         auto it = object_addresses.find(this);  in ~TrackableItem()
220         CHECK(it != object_addresses.end());  in ~TrackableItem()
221         object_addresses.erase(it);  in ~TrackableItem()
222         CHECK(object_addresses.count(this) == 0);  in ~TrackableItem()
228     CHECK(TrackableItem::object_addresses.size() == 0);  in fill_and_catch()
241     CHECK(TrackableItem::object_addresses.size() == 2 * elements_count / 3);  in fill_and_catch()
243     CHECK(TrackableItem::object_addresses.size() == elements_count);  in fill_and_catch()
247 std::unordered_set<TrackableItem*> TrackableItem::object_addresses;  member in TrackableItem
263         CHECK(TrackableItem::object_addresses.empty());  in test_tracking_dtors_on_clear()
273         CHECK(TrackableItem::object_addresses.empty());  in test_tracking_dtors_on_clear()