| // Copyright 2012-2013 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. |
| |
| // Check that a constant-evaluation underflow highlights the correct |
| // spot (where the underflow occurred), while also providing the |
| // overall context for what caused the evaluation. |
| |
| const ONE: usize = 1; |
| const TWO: usize = 2; |
| const LEN: usize = ONE - TWO; |
| //~^ ERROR array length constant evaluation error: attempted to subtract with overflow [E0250] |
| |
| fn main() { |
| let a: [i8; LEN] = unimplemented!(); |
| //~^ NOTE for array length here |
| } |
