| // Copyright 2013 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. |
| |
| // Test that freezing an `&mut` pointer while referent is |
| // frozen is legal. |
| // |
| // Example from src/librustc_borrowck/borrowck/README.md |
| |
| // pretty-expanded FIXME #23616 |
| |
| fn foo<'a>(mut t0: &'a mut isize, |
| mut t1: &'a mut isize) { |
| let p: &isize = &*t0; // Freezes `*t0` |
| let mut t2 = &t0; |
| let q: &isize = &**t2; // Freezes `*t0`, but that's ok... |
| let r: &isize = &*t0; // ...after all, could do same thing directly. |
| } |
| |
| pub fn main() { |
| } |
