Function query_ensure_ok_or_done 

pub(crate) fn query_ensure_ok_or_done<'tcx, C>(
    tcx: TyCtxt<'tcx>,
    query: &'tcx QueryVTable<'tcx, C>,
    key: C::Key,
    ensure_mode: EnsureMode,
)
where
    C: QueryCache,

Shared implementation of tcx.ensure_ok().$query(..) and tcx.ensure_done().$query(..) for all queries.