1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/run-pass/traits/trait-bounds-recursion.rs b/src/test/ui/run-pass/traits/trait-bounds-recursion.rs
new file mode 100644
index 00000000000..d984e9cdc99
--- /dev/null
+++ b/src/test/ui/run-pass/traits/trait-bounds-recursion.rs
@@ -0,0 +1,29 @@
+// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// pretty-expanded FIXME #23616
+
+trait I { fn i(&self) -> Self; }
+
+trait A<T:I> {
+    fn id(x:T) -> T { x.i() }
+}
+
+trait J<T> { fn j(&self) -> T; }
+
+trait B<T:J<T>> {
+    fn id(x:T) -> T { x.j() }
+}
+
+trait C {
+    fn id<T:J<T>>(x:T) -> T { x.j() }
+}
+
+pub fn main() { }