// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(core_intrinsics)] //error-pattern: copy_nonoverlapping called on overlapping ranges fn main() { let mut data = [0u8; 16]; unsafe { let a = data.as_mut_ptr(); let b = a.wrapping_offset(1) as *mut _; std::ptr::copy_nonoverlapping(a, b, 2); } }