| // Copyright 2012-2014 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. |
| |
| // pretty-expanded FIXME #23616 |
| |
| struct S; |
| // Ensure S is moved, not copied, on assignment. |
| impl Drop for S { fn drop(&mut self) { } } |
| |
| // user-defined function "returning" bottom (i.e. no return at all). |
| fn my_panic() -> ! { loop {} } |
| |
| pub fn step(f: bool) { |
| let mut g = S; |
| let mut i = 0; |
| loop |
| { |
| if i > 10 { break; } else { i += 1; } |
| |
| let _g = g; |
| |
| if f { |
| // re-initialize g, but only before restarting loop. |
| g = S; |
| continue; |
| } |
| |
| my_panic(); |
| |
| // we never get here, so we do not need to re-initialize g. |
| } |
| } |
| |
| pub fn main() { |
| step(true); |
| } |