rust/src/test/compile-fail/fail-no-dead-code-core.rs

// 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.

#![deny(dead_code)]
#![allow(unreachable_code)]

#[macro_use]
extern crate core;

fn foo() { //~ ERROR function is never used

    // none of these should have any dead_code exposed to the user
    panic!();

    panic!("foo");

    panic!("bar {}", "baz")
}


fn main() {}