| // Copyright 2015 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. |
| |
| enum Sexpression { |
| Num(()), |
| Cons(&'static mut Sexpression) |
| } |
| |
| fn causes_ice(mut l: &mut Sexpression) { |
| loop { match l { |
| &mut Sexpression::Num(ref mut n) => {}, |
| &mut Sexpression::Cons(ref mut expr) => { //~ ERROR cannot borrow `l.0` |
| //~| ERROR cannot borrow `l.0` |
| l = &mut **expr; //~ ERROR cannot assign to `l` |
| } |
| }} |
| } |
| |
| fn main() { |
| } |
