src/test/run-fail/expr-match-panic-fn.rs

// Copyright 2012 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.

// error-pattern:explicit panic

fn f() -> ! {
    panic!()
}

fn g() -> isize {
    let x = match true {
        true => f(),
        false => 10,
    };
    return x;
}

fn main() {
    g();
}