{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"tcx.for_each_free_region(kind,"}]}
    tcx.for_each_free_region(kind, |drop_live_region| {
    let _prof_timer = tcx.prof.generic_activity("polonius_fact_generation");
        let region_vid = universal_regions.to_region_vid(drop_live_region);