// Copyright 2014 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #[derive(Copy, Clone)] pub struct Foo { f1: isize, _f2: isize, } #[inline(never)] pub fn foo(f: &mut Foo) -> Foo { let ret = *f; f.f1 = 0; ret } pub fn main() { let mut f = Foo { f1: 8, _f2: 9, }; f = foo(&mut f); assert_eq!(f.f1, 8); }