1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/in-trait/deep-match-works.rs b/src/test/ui/impl-trait/in-trait/deep-match-works.rs
new file mode 100644
index 000000000..772da845e
--- /dev/null
+++ b/src/test/ui/impl-trait/in-trait/deep-match-works.rs
@@ -0,0 +1,16 @@
+// check-pass
+
+#![feature(return_position_impl_trait_in_trait)]
+#![allow(incomplete_features)]
+
+struct Wrapper<T>(T);
+
+trait Foo {
+    fn bar() -> Wrapper<impl Sized>;
+}
+
+impl Foo for () {
+    fn bar() -> Wrapper<i32> { Wrapper(0) }
+}
+
+fn main() {}