1 files changed, 22 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-11552.rs b/src/test/ui/issues/issue-11552.rs
new file mode 100644
index 000000000..bae12375d
--- /dev/null
+++ b/src/test/ui/issues/issue-11552.rs
@@ -0,0 +1,22 @@
+// run-pass
+#![feature(box_patterns)]
+#![feature(box_syntax)]
+
+#[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 Noun::Atom(2), box Noun::Cell(box Noun::Atom(2), box Noun::Atom(3))));
+}