1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/structs-enums/classes-self-referential.rs b/src/test/ui/structs-enums/classes-self-referential.rs
new file mode 100644
index 000000000..27d6ebf2c
--- /dev/null
+++ b/src/test/ui/structs-enums/classes-self-referential.rs
@@ -0,0 +1,20 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(non_camel_case_types)]
+
+
+// pretty-expanded FIXME #23616
+
+struct kitten {
+    cat: Option<cat>,
+}
+
+fn kitten(cat: Option<cat>) -> kitten {
+    kitten {
+        cat: cat
+    }
+}
+
+type cat = Box<kitten>;
+
+pub fn main() {}