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// 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.
#![feature(never_type)]
#![allow(unused_variables)]
#![allow(unused_assignments)]
#![allow(dead_code)]
#![deny(unreachable_code)]
fn foo() {
// No error here.
let x;
x = return; //~ ERROR unreachable
}
fn bar() {
use std::ptr;
let p: *mut ! = ptr::null_mut::<!>();
unsafe {
// Here we consider the `return` unreachable because
// "evaluating" the `*p` has type `!`. This is somewhat
// dubious, I suppose.
*p = return; //~ ERROR unreachable
}
}
fn baz() {
let mut i = 0;
*{return; &mut i} = 22; //~ ERROR unreachable
}
fn main() { }
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