1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/box/unit/unique-pat-2.rs b/tests/ui/box/unit/unique-pat-2.rs
new file mode 100644
index 000000000..9c73fd220
--- /dev/null
+++ b/tests/ui/box/unit/unique-pat-2.rs
@@ -0,0 +1,18 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(non_camel_case_types)]
+#![allow(non_shorthand_field_patterns)]
+
+#![feature(box_patterns)]
+
+struct Foo {a: isize, b: usize}
+
+enum bar { u(Box<Foo>), w(isize), }
+
+pub fn main() {
+    let v = match bar::u(Box::new(Foo{ a: 10, b: 40 })) {
+        bar::u(box Foo{ a: a, b: b }) => { a + (b as isize) }
+        _ => { 66 }
+    };
+    assert_eq!(v, 50);
+}