{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"self.tcx.for_each_free_region(&value,"}]}
        self.tcx.for_each_free_region(&value, |live_region| {
        debug!("record_regions_live_at(value={:?}, location={:?})", value, location);
            let live_region_vid = live_region.as_var();