29 lines
761 B
Rust
29 lines
761 B
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// pretty-expanded FIXME #23616
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#![feature(core)]
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use std::intrinsics;
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// See also src/test/run-make/intrinsic-unreachable.
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unsafe fn f(x: usize) -> usize {
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match x {
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17 => 23,
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_ => intrinsics::unreachable(),
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}
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}
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fn main() {
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assert_eq!(unsafe { f(17) }, 23);
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}
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