1 // run-pass
2 
3 #![allow(dead_code)]
4 // Make sure #1399 stays fixed
5 
6 struct A { a: Box<isize> }
7 
main()8 pub fn main() {
9     fn invoke<F>(f: F) where F: FnOnce() { f(); }
10     let k: Box<_> = 22.into();
11     let _u = A {a: k.clone()};
12     invoke(|| println!("{}", k.clone()) )
13 }
14