rust/tests/compile-fail/copy_nonoverlapping.rs

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// Copyright 2015 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.
#![feature(core_intrinsics)]
use std::intrinsics::*;
//error-pattern: copy_nonoverlapping called on overlapping ranges
fn main() {
let mut data = [0u8; 16];
unsafe {
let a = &data[0] as *const _;
let b = &mut data[1] as *mut _;
std::ptr::copy_nonoverlapping(a, b, 2);
}
}