1 files changed, 16 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-19129-1.rs b/src/test/ui/issues/issue-19129-1.rs
new file mode 100644
index 000000000..03a969101
--- /dev/null
+++ b/src/test/ui/issues/issue-19129-1.rs
@@ -0,0 +1,16 @@
+// check-pass
+// pretty-expanded FIXME #23616
+
+trait Trait<Input> {
+    type Output;
+
+    fn method() -> <Self as Trait<Input>>::Output;
+}
+
+impl<T> Trait<T> for () {
+    type Output = ();
+
+    fn method() {}
+}
+
+fn main() {}