| // Copyright 2012-2014 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. |
| |
| // ignore-test |
| // error-pattern:index out of bounds |
| |
| use std::u64; |
| |
| #[cfg(target_arch="x86")] |
| fn main() { |
| let x = vec!(1u,2u,3u); |
| |
| // This should cause a bounds-check failure, but may not if we do our |
| // bounds checking by truncating the index value to the size of the |
| // machine word, losing relevant bits of the index value. |
| |
| // This test is only meaningful on 32-bit hosts. |
| |
| let idx = u64::MAX & !(u64::MAX >> 1u); |
| println!("ov3 idx = 0x%8.8x%8.8x", |
| (idx >> 32) as uint, |
| idx as uint); |
| |
| // This should fail. |
| println!("ov3 0x%x", x.as_slice()[idx]); |
| } |
| |
| #[cfg(target_arch="x86_64")] |
| fn main() { |
| // This version just fails anyways, for symmetry on 64-bit hosts. |
| let x = vec!(1u,2u,3u); |
| error!("ov3 0x%x", x.as_slice()[200]); |
| } |