Function promote_from_disk_inner 

pub(crate) fn promote_from_disk_inner<'tcx, C: QueryCache>(
    tcx: TyCtxt<'tcx>,
    query: &'tcx QueryVTable<'tcx, C>,
    dep_node: DepNode,
    prev_index: SerializedDepNodeIndex,
    dep_node_index: DepNodeIndex,
)

Inner implementation of DepKindVTable::promote_from_disk_fn for queries.