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