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// Copyright 2014 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.
// Regression test for a bug in #52713: this was an optimization for
// computing liveness that wound up accidentally causing the program
// below to be accepted.
#![feature(nll)]
fn foo<'a>(x: &'a mut u32) -> u32 {
let mut x = 22;
let y = &x;
if false {
return x;
}
x += 1; //~ ERROR
println!("{}", y);
return 0;
}
fn main() { }
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