| // Copyright 2017 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 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| //revisions: ast mir |
| //[mir] compile-flags: -Z borrowck=mir |
| |
| #![allow(unused_assignments)] |
| |
| struct Wrap<'a> { w: &'a mut u32 } |
| |
| fn foo() { |
| let mut x = 22; |
| let wrapper = Wrap { w: &mut x }; |
| x += 1; //[ast]~ ERROR cannot assign to `x` because it is borrowed [E0506] |
| //[mir]~^ ERROR cannot use `x` because it was mutably borrowed [E0503] |
| *wrapper.w += 1; |
| } |
| |
| fn main() { } |
