| // Copyright 2016 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. |
| |
| // Test for a specific corner case: when we compute the LUB of two fn |
| // types and their parameters have unbound variables. In that case, we |
| // wind up relating those two variables. This was causing an ICE in an |
| // in-progress PR. |
| |
| fn main() { |
| let a_f: fn(_) = |_| (); |
| let b_f: fn(_) = |_| (); |
| let c_f = match 22 { |
| 0 => a_f, |
| _ => b_f, |
| }; |
| c_f(4); |
| } |
