debug!("check_closure: expr.id={:?} closure_type={:?}", expr.id, closure_type);
- let extent = self.tcx.call_site_extent(expr.id);
- let fn_sig = self.tcx.liberate_late_bound_regions(Some(extent), &sig);
+ let fn_sig = self.tcx.liberate_late_bound_regions(expr_def_id, &sig);
let fn_sig = self.inh.normalize_associated_types_in(body.value.span,
body.value.id, &fn_sig);