1 files changed, 4 insertions, 0 deletions
diff --git a/tests/ui/error_impl_error.rs b/tests/ui/error_impl_error.rs
index 40ce4181bf3..05003f7d047 100644
--- a/tests/ui/error_impl_error.rs
+++ b/tests/ui/error_impl_error.rs
@@ -5,6 +5,7 @@
 pub mod a {
     #[derive(Debug)]
     pub struct Error;
+    //~^ ERROR: exported type named `Error` that implements `Error`
 
     impl std::fmt::Display for Error {
         fn fmt(&self, _: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
@@ -18,6 +19,7 @@ pub mod a {
 mod b {
     #[derive(Debug)]
     pub(super) enum Error {}
+    //~^ ERROR: exported type named `Error` that implements `Error`
 
     impl std::fmt::Display for Error {
         fn fmt(&self, _: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
@@ -30,6 +32,7 @@ mod b {
 
 pub mod c {
     pub union Error {
+        //~^ ERROR: exported type named `Error` that implements `Error`
         a: u32,
         b: u32,
     }
@@ -51,6 +54,7 @@ pub mod c {
 
 pub mod d {
     pub type Error = std::fmt::Error;
+    //~^ ERROR: exported type alias named `Error` that implements `Error`
 }
 
 mod e {