| // Copyright 2012 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. |
| |
| // compile-flags: -Zforce-overflow-checks=on |
| |
| // these errors are not actually "const_err", they occur in codegen/consts |
| // and are unconditional warnings that can't be denied or allowed |
| |
| #![allow(exceeding_bitshifts)] |
| #![allow(const_err)] |
| |
| fn black_box<T>(_: T) { |
| unimplemented!() |
| } |
| |
| // Make sure that the two uses get two errors. |
| const FOO: u8 = [5u8][1]; |
| //~^ ERROR constant evaluation error |
| //~| index out of bounds: the len is 1 but the index is 1 |
| |
| fn main() { |
| black_box((FOO, FOO)); |
| //~^ ERROR referenced constant has errors |
| //~| ERROR could not evaluate constant |
| } |
