-// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// option. This file may not be copied, modified, or distributed
// except according to those terms.
-// xfail-fast
fn f(arg: &mut A) {
arg.a = 100;
}
+#[derive(Copy)]
struct A { a: int }
pub fn main() {