fn assumed_wf_types(tcx: TyCtxt<'_>, def_id: DefId) -> &ty::List<Ty<'_>> {
match tcx.def_kind(def_id) {
DefKind::Fn => {
- let sig = tcx.fn_sig(def_id);
+ let sig = tcx.fn_sig(def_id).subst_identity();
let liberated_sig = tcx.liberate_late_bound_regions(def_id, sig);
liberated_sig.inputs_and_output
}
DefKind::AssocFn => {
- let sig = tcx.fn_sig(def_id);
+ let sig = tcx.fn_sig(def_id).subst_identity();
let liberated_sig = tcx.liberate_late_bound_regions(def_id, sig);
let mut assumed_wf_types: Vec<_> =
tcx.assumed_wf_types(tcx.parent(def_id)).as_slice().into();