1 files changed, 14 insertions, 2 deletions
diff --git a/tests/ui/impl-trait/in-trait/foreign.rs b/tests/ui/impl-trait/in-trait/foreign.rs
index 6341f5b42..f4972d948 100644
--- a/tests/ui/impl-trait/in-trait/foreign.rs
+++ b/tests/ui/impl-trait/in-trait/foreign.rs
@@ -1,9 +1,21 @@
 // check-pass
 // aux-build: rpitit.rs
+// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty
+// revisions: current next
 
 extern crate rpitit;
 
+use std::sync::Arc;
+
+// Implement an RPITIT from another crate.
+struct Local;
+impl rpitit::Foo for Local {
+    fn bar() -> Arc<String> { Arc::new(String::new()) }
+}
+
 fn main() {
-    // Witness an RPITIT from another crate
-    let () = <rpitit::Foreign as rpitit::Foo>::bar();
+    // Witness an RPITIT from another crate.
+    let &() = <rpitit::Foreign as rpitit::Foo>::bar();
+
+    let x: Arc<String> = <Local as rpitit::Foo>::bar();
 }