1 // Copyright 2015 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 //error-pattern: invalid use of NULL pointer
14 let mut data = [0u16; 4];
15 let ptr = &mut data[0] as *mut u16;
16 // Even copying 0 elements from NULL should error
17 unsafe { ptr.copy_from(std::ptr::null(), 0); }