| // Copyright 2016 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. |
| |
| #![allow(unused_variables)] |
| #![allow(unused_assignments)] |
| #![allow(dead_code)] |
| #![deny(unreachable_code)] |
| |
| fn a() { |
| loop { return; } |
| println!("I am dead."); |
| //~^ ERROR unreachable statement |
| } |
| |
| fn b() { |
| loop { |
| break; |
| } |
| println!("I am not dead."); |
| } |
| |
| fn c() { |
| loop { return; } |
| println!("I am dead."); |
| //~^ ERROR unreachable statement |
| } |
| |
| fn d() { |
| 'outer: loop { loop { break 'outer; } } |
| println!("I am not dead."); |
| } |
| |
| fn e() { |
| loop { 'middle: loop { loop { break 'middle; } } } |
| println!("I am dead."); |
| //~^ ERROR unreachable statement |
| } |
| |
| fn main() { } |