// 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 or the MIT license // , 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() { }