1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/list.rs b/src/test/ui/list.rs
new file mode 100644
index 000000000..ffe9f9386
--- /dev/null
+++ b/src/test/ui/list.rs
@@ -0,0 +1,10 @@
+// run-pass
+
+#![allow(non_camel_case_types)]
+// pretty-expanded FIXME #23616
+
+enum list { #[allow(unused_tuple_struct_fields)] cons(isize, Box<list>), nil, }
+
+pub fn main() {
+    list::cons(10, Box::new(list::cons(11, Box::new(list::cons(12, Box::new(list::nil))))));
+}