1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/box/unit/unique-autoderef-field.rs b/tests/ui/box/unit/unique-autoderef-field.rs
new file mode 100644
index 000000000..64147e11f
--- /dev/null
+++ b/tests/ui/box/unit/unique-autoderef-field.rs
@@ -0,0 +1,10 @@
+// run-pass
+
+struct J { j: isize }
+
+pub fn main() {
+    let i: Box<_> = Box::new(J {
+        j: 100
+    });
+    assert_eq!(i.j, 100);
+}