Uninitialized pointer field

The pointer field will point to an arbitrary memory location, any attempt to write may cause corruption. A pointer field is not initialized in the constructor
/src/mongo/db/catalog/collection_catalog.h:92: UNINIT_CTOR 115281 Class member declaration for "_genNum".
/src/mongo/db/catalog/collection_catalog.cpp:94: UNINIT_CTOR 115281 Non-static class member "_genNum" is not initialized in this constructor nor in any functions that it calls.
/src/mongo/db/catalog/collection_catalog.h:94: UNINIT_CTOR 115281 Class member declaration for "_catalog".
/src/mongo/db/catalog/collection_catalog.cpp:94: UNINIT_CTOR 115281 Non-static class member "_catalog" is not initialized in this constructor nor in any functions that it calls.