1 // Copyright 2014 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.
13 use std::cell::UnsafeCell;
15 const A: UnsafeCell<usize> = UnsafeCell::new(1);
16 const B: &'static UnsafeCell<usize> = &A;
17 //~^ ERROR: cannot borrow a constant which may contain interior mutability
19 struct C { a: UnsafeCell<usize> }
20 const D: C = C { a: UnsafeCell::new(1) };
21 const E: &'static UnsafeCell<usize> = &D.a;
22 //~^ ERROR: cannot borrow a constant which may contain interior mutability
23 const F: &'static C = &D;
24 //~^ ERROR: cannot borrow a constant which may contain interior mutability