1 // Copyright 2018 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 #![feature(const_transmute)]
12 #![allow(const_err)] // make sure we cannot allow away the errors tested here
16 #[derive(Copy, Clone)]
19 const BAD_BAD_BAD: Bar = unsafe { mem::transmute(()) };
20 //~^ ERROR it is undefined behavior to use this value
22 const BAD_BAD_REF: &Bar = unsafe { mem::transmute(1usize) };
23 //~^ ERROR it is undefined behavior to use this value
25 const BAD_BAD_ARRAY: [Bar; 1] = unsafe { mem::transmute(()) };
26 //~^ ERROR it is undefined behavior to use this value