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/exec/bucket_unpacker.h:149: UNINIT_CTOR 120725 The compiler-generated constructor for this class does not initialize "_unpackerBehavior".
/src/mongo/db/exec/bucket_unpacker.h:156: UNINIT_CTOR 120725 The compiler-generated constructor for this class does not initialize "_includeTimeField".
/src/mongo/db/exec/bucket_unpacker.h:159: UNINIT_CTOR 120725 The compiler-generated constructor for this class does not initialize "_includeMetaField".