1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // compile-flags: -Zforce-overflow-checks=on
13 // these errors are not actually "const_err", they occur in codegen/consts
14 // and are unconditional warnings that can't be denied or allowed
16 #![allow(exceeding_bitshifts)]
19 fn black_box<T>(_: T) {
23 // Make sure that the two uses get two errors.
24 const FOO: u8 = [5u8][1];
25 //~^ ERROR constant evaluation error
26 //~| index out of bounds: the len is 1 but the index is 1
29 black_box((FOO, FOO));
30 //~^ ERROR referenced constant has errors
31 //~| ERROR could not evaluate constant