1 files changed, 11 insertions, 0 deletions
diff --git a/tests/ui/dyn-keyword/dyn-2021-edition-error.rs b/tests/ui/dyn-keyword/dyn-2021-edition-error.rs
new file mode 100644
index 00000000000..0f05d8753ea
--- /dev/null
+++ b/tests/ui/dyn-keyword/dyn-2021-edition-error.rs
@@ -0,0 +1,11 @@
+// edition:2021
+
+fn function(x: &SomeTrait, y: Box<SomeTrait>) {
+    //~^ ERROR trait objects must include the `dyn` keyword
+    //~| ERROR trait objects must include the `dyn` keyword
+    let _x: &SomeTrait = todo!();
+}
+
+trait SomeTrait {}
+
+fn main() {}