let type_length = instance
.substs
.iter()
- .flat_map(|arg| arg.walk(tcx))
+ .flat_map(|arg| arg.walk())
.filter(|arg| match arg.unpack() {
GenericArgKind::Type(_) | GenericArgKind::Const(_) => true,
GenericArgKind::Lifetime(_) => false,
if let Some(trait_ref) = tcx.impl_trait_ref(item.def_id) {
let param_env = ty::ParamEnv::reveal_all();
let trait_ref = tcx.normalize_erasing_regions(param_env, trait_ref);
- let overridden_methods: FxHashSet<_> =
- impl_.items.iter().map(|iiref| iiref.ident.normalize_to_macros_2_0()).collect();
+ let overridden_methods = tcx.impl_item_implementor_ids(item.def_id);
for method in tcx.provided_trait_methods(trait_ref.def_id) {
- if overridden_methods.contains(&method.ident.normalize_to_macros_2_0()) {
+ if overridden_methods.contains_key(&method.def_id) {
continue;
}