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/executor/remote_command_request.h:90: UNINIT_CTOR 114629 Class member declaration for "fireAndForgetMode".
/src/mongo/executor/remote_command_request.cpp:100: UNINIT_CTOR 114629 Non-static class member "fireAndForgetMode" is not initialized in this constructor nor in any functions that it calls.