64   MapInfo* prev_real_map = nullptr;  in Parse()  local
73     maps_.emplace_back(new MapInfo(prev_map, prev_real_map, mapinfo.start, mapinfo.end,  in Parse()
77       prev_real_map = prev_map;  in Parse()
85   MapInfo* prev_real_map = prev_map;  in Add()  local
86   while (prev_real_map != nullptr && prev_real_map->IsBlank()) {  in Add()
87     prev_real_map = prev_real_map->prev_map();  in Add()
91       std::make_unique<MapInfo>(prev_map, prev_real_map, start, end, offset, flags, name);  in Add()
104   MapInfo* prev_real_map = nullptr;  in Sort()  local
107     map_info->set_prev_real_map(prev_real_map);  in Sort()
110       prev_real_map = prev_map;  in Sort()
118   MapInfo* prev_real_map = nullptr;  in Parse()  local
127         maps_.emplace_back(new MapInfo(prev_map, prev_real_map, mapinfo.start, mapinfo.end,  in Parse()
131           prev_real_map = prev_map;  in Parse()
198           maps_[new_map_idx + 1]->set_prev_real_map(info->IsBlank() ? info->prev_real_map()  in Reparse()