pub fn print_query_stack<'tcx, Qcx: QueryContext<'tcx>>(
qcx: Qcx,
current_query: Option<QueryJobId>,
dcx: DiagCtxtHandle<'_>,
limit_frames: Option<usize>,
file: Option<File>,
) -> usizepub fn print_query_stack<'tcx, Qcx: QueryContext<'tcx>>(
qcx: Qcx,
current_query: Option<QueryJobId>,
dcx: DiagCtxtHandle<'_>,
limit_frames: Option<usize>,
file: Option<File>,
) -> usize