1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/deriving/deriving-default-box.rs b/tests/ui/deriving/deriving-default-box.rs
new file mode 100644
index 00000000000..b71e1149613
--- /dev/null
+++ b/tests/ui/deriving/deriving-default-box.rs
@@ -0,0 +1,13 @@
+// run-pass
+use std::default::Default;
+
+#[derive(Default)]
+struct A {
+    foo: Box<[bool]>,
+}
+
+pub fn main() {
+    let a: A = Default::default();
+    let b: Box<[_]> = Box::<[bool; 0]>::new([]);
+    assert_eq!(a.foo, b);
+}