fn new(ir: &'a mut IrMaps<'tcx>, body_owner: LocalDefId) -> Liveness<'a, 'tcx> {
let typeck_results = ir.tcx.typeck(body_owner);
let param_env = ir.tcx.param_env(body_owner);
- let closure_min_captures = typeck_results.closure_min_captures.get(&body_owner.to_def_id());
+ let closure_min_captures = typeck_results.closure_min_captures.get(&body_owner);
let closure_ln = ir.add_live_node(ClosureNode);
let exit_ln = ir.add_live_node(ExitNode);