1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/in-trait/doesnt-satisfy.rs b/tests/ui/impl-trait/in-trait/doesnt-satisfy.rs
new file mode 100644
index 000000000..bb4e0d44f
--- /dev/null
+++ b/tests/ui/impl-trait/in-trait/doesnt-satisfy.rs
@@ -0,0 +1,13 @@
+#![feature(return_position_impl_trait_in_trait)]
+#![allow(incomplete_features)]
+
+trait Foo {
+    fn bar() -> impl std::fmt::Display;
+}
+
+impl Foo for () {
+    fn bar() -> () {}
+    //~^ ERROR `()` doesn't implement `std::fmt::Display`
+}
+
+fn main() {}