1 files changed, 24 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-11552.rs b/tests/ui/issues/issue-11552.rs
new file mode 100644
index 000000000..9fb9f3d2e
--- /dev/null
+++ b/tests/ui/issues/issue-11552.rs
@@ -0,0 +1,24 @@
+// run-pass
+#![feature(box_patterns)]
+
+#[derive(Clone)]
+enum Noun
+{
+    Atom(isize),
+    Cell(Box<Noun>, Box<Noun>)
+}
+
+fn fas(n: &Noun) -> Noun
+{
+    match n {
+        &Noun::Cell(box Noun::Atom(2), box Noun::Cell(ref a, _)) => (**a).clone(),
+        _ => panic!("Invalid fas pattern")
+    }
+}
+
+pub fn main() {
+    fas(
+        &Noun::Cell(Box::new(Noun::Atom(2)),
+        Box::new(Noun::Cell(Box::new(Noun::Atom(2)), Box::new(Noun::Atom(3)))))
+    );
+}