1 files changed, 8 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-18389.rs b/tests/ui/issues/issue-18389.rs
index 654dfb63b..05a5decf4 100644
--- a/tests/ui/issues/issue-18389.rs
+++ b/tests/ui/issues/issue-18389.rs
@@ -1,3 +1,10 @@
+#![feature(type_privacy_lints)]
+#![warn(private_bounds)]
+
+// In this test both old and new private-in-public diagnostic were emitted.
+// Old diagnostic will be deleted soon.
+// See https://rust-lang.github.io/rfcs/2145-type-privacy.html.
+
 use std::any::Any;
 use std::any::TypeId;
 
@@ -6,6 +13,7 @@ trait Private<P, R> {
 }
 pub trait Public: Private<
 //~^ ERROR private trait `Private<<Self as Public>::P, <Self as Public>::R>` in public interface
+//~| WARNING trait `Private<<Self as Public>::P, <Self as Public>::R>` is more private than the item `Public`
     <Self as Public>::P,
     <Self as Public>::R
 > {