| //@ run-pass |
| #![allow(dead_code)] |
| #![allow(unused_mut)] |
| #![allow(unused_variables)] |
| // Test that freezing an `&mut` pointer while referent is |
| // frozen is legal. |
| // |
| // Example from compiler/rustc_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() { |
| } |
