1 // Copyright 2016 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.
16 fn get_self(&mut self) -> Option<&mut Self> {
20 fn new_self(&mut self) -> &mut Self {
24 fn trigger_bug(&mut self) {
25 let other = &mut (&mut *self);
27 *other = match (*other).get_self() {
29 None => (*other).new_self()
30 //~^ ERROR cannot borrow `**other` as mutable more than once at a time [E0499]