1 // Copyright 2017 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
12 //[mir] compile-flags: -Z borrowck=mir -Z nll
14 #![allow(unused_assignments)]
16 struct Wrap<'a> { w: &'a mut u32 }
20 let wrapper = Wrap { w: &mut x };
21 x += 1; //[ast]~ ERROR cannot assign to `x` because it is borrowed [E0506]
22 //[mir]~^ ERROR cannot assign to `x` because it is borrowed [E0506]
23 //[mir]~^^ ERROR cannot use `x` because it was mutably borrowed [E0503]