Uninitialized scalar field
The field will contain an arbitrary value left over from earlier computations. A scalar field is not initialized by the constructor
/data/mci/20c67ff3d27bad330e12b569b00565a0/bazel_cache/1bc79c3474a85e2236e0c0bc2a63bda3/execroot/_main/src/mongo/db/exec/agg/cursor_stage.h:264: UNINIT_CTOR 175760 Class member declaration for "_queryFramework".
/data/mci/20c67ff3d27bad330e12b569b00565a0/bazel_cache/1bc79c3474a85e2236e0c0bc2a63bda3/execroot/_main/src/mongo/db/exec/agg/cursor_stage.cpp:143: UNINIT_CTOR 175760 Non-static class member "_queryFramework" is not initialized in this constructor nor in any functions that it calls.