// Copyright 2018 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)] fn main() { // The `if false` expressions are simply to // make sure we don't avoid checking everything // simply because a few expressions are unreachable. if false { let _: ! = { //~ ERROR mismatched types 'a: while break 'a {}; }; } if false { let _: ! = { while false { //~ ERROR mismatched types break } }; } if false { let _: ! = { while false { //~ ERROR mismatched types return } }; } }