pub(super) fn check_item(tcx: TyCtxt<'_>, def_id: LocalDefId) {
debug_assert!(matches!(tcx.def_kind(def_id), DefKind::Impl));
let item = tcx.hir().expect_item(def_id);
- let hir::ItemKind::Impl(ref impl_) = item.kind else { bug!() };
+ let hir::ItemKind::Impl(impl_) = item.kind else { bug!() };
if let Some(trait_ref) = tcx.impl_trait_ref(item.owner_id) {
let trait_ref = trait_ref.subst_identity();