{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"desc"}]}
        desc { |tcx| "looking up the coroutine by-move body for `{}`", tcx.def_path_str(def_id) }
    query coroutine_by_move_body_def_id(def_id: DefId) -> DefId {
        separate_provide_extern