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();
assumed_wf_types.extend(liberated_sig.inputs_and_output);
tcx.intern_type_list(&assumed_wf_types)
}
- DefKind::Impl => match tcx.impl_trait_ref(def_id) {
- Some(trait_ref) => {
- let types: Vec<_> = trait_ref.substs.types().collect();
- tcx.intern_type_list(&types)
+ DefKind::Impl => {
+ match tcx.impl_trait_ref(def_id) {
+ Some(trait_ref) => {
+ let types: Vec<_> = trait_ref.skip_binder().substs.types().collect();
+ tcx.intern_type_list(&types)
+ }
+ // Only the impl self type
+ None => tcx.intern_type_list(&[tcx.type_of(def_id)]),
}
- // Only the impl self type
- None => tcx.intern_type_list(&[tcx.type_of(def_id)]),
- },
+ }
DefKind::AssocConst | DefKind::AssocTy => tcx.assumed_wf_types(tcx.parent(def_id)),
DefKind::Mod
| DefKind::Struct