// Copyright 2017 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. // This issue tracks a regression (a new warning) without // feature(never_type). When we make that the default, please // remove this test. enum Foo { } fn make_foo() -> Option { None } #[deny(warnings)] fn main() { match make_foo() { None => {}, Some(_) => {} } }