[samples\erase\bad.cpp:9] -> [samples\erase\bad.cpp:10] -> [samples\erase\bad.cpp:10] -> [samples\erase\bad.cpp:9] -> [samples\erase\bad.cpp:11] -> [samples\erase\bad.cpp:4] -> [samples\erase\bad.cpp:9]: (error) Using iterator to local container 'items' that may be invalid.