2592   Object* weak_cell_obj = non_live_map_list;  in ClearSimpleMapTransitions()  local
2593   while (weak_cell_obj != Smi::kZero) {  in ClearSimpleMapTransitions()
2594     WeakCell* weak_cell = WeakCell::cast(weak_cell_obj);  in ClearSimpleMapTransitions()
2606     weak_cell_obj = weak_cell->next();  in ClearSimpleMapTransitions()
2815   Object* weak_cell_obj = heap->encountered_weak_cells();  in ClearWeakCells()  local
2820   while (weak_cell_obj != Smi::kZero) {  in ClearWeakCells()
2821     WeakCell* weak_cell = reinterpret_cast<WeakCell*>(weak_cell_obj);  in ClearWeakCells()
2877     weak_cell_obj = next_weak_cell;  in ClearWeakCells()
2887   Object* weak_cell_obj = heap()->encountered_weak_cells();  in AbortWeakCells()  local
2888   while (weak_cell_obj != Smi::kZero) {  in AbortWeakCells()
2889     WeakCell* weak_cell = reinterpret_cast<WeakCell*>(weak_cell_obj);  in AbortWeakCells()
2890     weak_cell_obj = weak_cell->next();  in AbortWeakCells()