_ => return,
}
- let parent = cx.tcx.hir().get_parent_did(impl_item.hir_id());
+ let parent = cx.tcx.hir().get_parent_item(impl_item.hir_id());
let item = cx.tcx.hir().expect_item(parent);
let self_ty = cx.tcx.type_of(item.def_id);
let ret_ty = return_ty(cx, impl_item.hir_id());