mutable-container-key/main.cpp:16:5: warning: Associative container key might be modified externally [-Wclazy-mutable-container-key]
mutable-container-key/main.cpp:17:5: warning: Associative container key might be modified externally [-Wclazy-mutable-container-key]
mutable-container-key/main.cpp:21:5: warning: Associative container key might be modified externally [-Wclazy-mutable-container-key]
mutable-container-key/main.cpp:22:5: warning: Associative container key might be modified externally [-Wclazy-mutable-container-key]
mutable-container-key/main.cpp:23:5: warning: Associative container key might be modified externally [-Wclazy-mutable-container-key]