1 files changed, 7 insertions, 0 deletions
diff --git a/tests/ui/const-generics/generic_const_exprs/eval-privacy.rs b/tests/ui/const-generics/generic_const_exprs/eval-privacy.rs
index 8023b998a..e5464a425 100644
--- a/tests/ui/const-generics/generic_const_exprs/eval-privacy.rs
+++ b/tests/ui/const-generics/generic_const_exprs/eval-privacy.rs
@@ -1,6 +1,12 @@
 #![crate_type = "lib"]
 #![feature(generic_const_exprs)]
+#![feature(type_privacy_lints)]
 #![allow(incomplete_features)]
+#![warn(private_interfaces)]
+
+// 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.
 
 pub struct Const<const U: u8>;
 
@@ -15,6 +21,7 @@ where
 {
     type AssocTy = Const<{ my_const_fn(U) }>;
     //~^ ERROR private type
+    //~| WARNING type `fn(u8) -> u8 {my_const_fn}` is more private than the item `<Const<U> as Trait>::AssocTy`
     fn assoc_fn() -> Self::AssocTy {
         Const
     }