{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"debug_assert_eq!(Some(def_id),"}]}
    debug_assert_eq!(Some(def_id), tcx.lang_items().async_drop_in_place_fn());
    debug!("build_async_destructor_ctor_shim(def_id={:?}, ty={:?})", def_id, ty);
    let generic_body = tcx.optimized_mir(def_id);