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27 lines
877 B
Rust
27 lines
877 B
Rust
// Copyright 2013 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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#[feature(managed_boxes)];
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/*!
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* This is a regression test for a bug in LLVM, fixed in upstream r179587,
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* where the switch instructions generated for destructuring enums
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* represented with nullable pointers could be misoptimized in some cases.
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*/
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enum List<X> { Nil, Cons(X, @List<X>) }
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pub fn main() {
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match Cons(10, @Nil) {
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Cons(10, _) => {}
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Nil => {}
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_ => fail!()
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}
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}
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