1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/box/unit/unique-in-tag.rs b/tests/ui/box/unit/unique-in-tag.rs
new file mode 100644
index 000000000..6daa06fb1
--- /dev/null
+++ b/tests/ui/box/unit/unique-in-tag.rs
@@ -0,0 +1,20 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(non_camel_case_types)]
+
+fn test1() {
+    enum bar { u(Box<isize>), w(isize), }
+
+    let x = bar::u(Box::new(10));
+    assert!(match x {
+      bar::u(a) => {
+        println!("{}", a);
+        *a
+      }
+      _ => { 66 }
+    } == 10);
+}
+
+pub fn main() {
+    test1();
+}