1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/ui/self/self-in-mut-slot-default-method.rs b/src/test/ui/self/self-in-mut-slot-default-method.rs
new file mode 100644
index 000000000..45e122c8d
--- /dev/null
+++ b/src/test/ui/self/self-in-mut-slot-default-method.rs
@@ -0,0 +1,35 @@
+// run-pass
+
+struct X {
+    a: isize
+}
+
+trait Changer : Sized {
+    fn change(mut self) -> Self {
+        self.set_to(55);
+        self
+    }
+
+    fn change_again(mut self: Box<Self>) -> Box<Self> {
+        self.set_to(45);
+        self
+    }
+
+    fn set_to(&mut self, a: isize);
+}
+
+impl Changer for X {
+    fn set_to(&mut self, a: isize) {
+        self.a = a;
+    }
+}
+
+pub fn main() {
+    let x = X { a: 32 };
+    let new_x = x.change();
+    assert_eq!(new_x.a, 55);
+
+    let x: Box<_> = Box::new(new_x);
+    let new_x = x.change_again();
+    assert_eq!(new_x.a, 45);
+}