{"ast_node_type":"variable","tokens":[{"end":55,"kind":"keyword","start":0,"text":"let"}]}
        let typeck_results = ir.tcx.typeck(body_owner);
    fn new(ir: &'a mut IrMaps<'tcx>, body_owner: LocalDefId) -> Liveness<'a, 'tcx> {
        // Liveness linting runs after building the THIR. We make several assumptions based on