41 lines
1.3 KiB
Rust
41 lines
1.3 KiB
Rust
// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// ignore-test
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// error-pattern:index out of bounds
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use std::u64;
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#[cfg(target_arch="x86")]
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fn main() {
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let x = vec!(1_usize,2_usize,3_usize);
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// This should cause a bounds-check panic, but may not if we do our
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// bounds checking by truncating the index value to the size of the
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// machine word, losing relevant bits of the index value.
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// This test is only meaningful on 32-bit hosts.
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let idx = u64::MAX & !(u64::MAX >> 1_usize);
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println!("ov3 idx = 0x%8.8x%8.8x",
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(idx >> 32) as usize,
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idx as usize);
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// This should panic.
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println!("ov3 0x%x", x[idx]);
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}
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#[cfg(any(target_arch="x86_64", target_arch = "aarch64"))]
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fn main() {
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// This version just panics anyways, for symmetry on 64-bit hosts.
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let x = vec!(1_usize,2_usize,3_usize);
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error!("ov3 0x%x", x[200]);
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}
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