src/test/run-pass/panic-runtime/lto-unwind.rs

// 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.

// compile-flags:-C lto -C panic=unwind
// no-prefer-dynamic
// ignore-emscripten Function not implemented.

use std::process::Command;
use std::env;

struct Bomb;

impl Drop for Bomb {
    fn drop(&mut self) {
        println!("hurray you ran me");
    }
}

fn main() {
    let mut args = env::args_os();
    let me = args.next().unwrap();

    if let Some(s) = args.next() {
        if &*s == "foo" {

            let _bomb = Bomb;

            panic!("try to catch me");
        }
    }
    let s = Command::new(env::args_os().next().unwrap()).arg("foo").output();
    let s = s.unwrap();
    assert!(!s.status.success());
    assert!(String::from_utf8_lossy(&s.stdout).contains("hurray you ran me"));
}