Uninitialized scalar field

The field will contain an arbitrary value left over from earlier computations. A scalar field is not initialized by the constructor
/src/mongo/db/catalog/collection_impl.h:407: UNINIT_CTOR 114245 Class member declaration for "_validationAction".
/src/mongo/db/catalog/collection_impl.cpp:256: UNINIT_CTOR 114245 Non-static class member "_validationAction" is not initialized in this constructor nor in any functions that it calls.
/src/mongo/db/catalog/collection_impl.h:408: UNINIT_CTOR 114245 Class member declaration for "_validationLevel".
/src/mongo/db/catalog/collection_impl.cpp:256: UNINIT_CTOR 114245 Non-static class member "_validationLevel" is not initialized in this constructor nor in any functions that it calls.