| // Copyright 2018 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(const_raw_ptr_to_usize_cast, const_compare_raw_pointers, const_raw_ptr_deref)] |
| |
| fn main() {} |
| |
| // unconst and bad, will thus error in miri |
| const X: bool = &1 as *const i32 == &2 as *const i32; //~ ERROR cannot be used |
| // unconst and fine |
| const X2: bool = 42 as *const i32 == 43 as *const i32; |
| // unconst and fine |
| const Y: usize = 42usize as *const i32 as usize + 1; |
| // unconst and bad, will thus error in miri |
| const Y2: usize = &1 as *const i32 as usize + 1; //~ ERROR cannot be used |
| // unconst and fine |
| const Z: i32 = unsafe { *(&1 as *const i32) }; |
| // unconst and bad, will thus error in miri |
| const Z2: i32 = unsafe { *(42 as *const i32) }; //~ ERROR cannot be used |
| const Z3: i32 = unsafe { *(44 as *const i32) }; //~ ERROR cannot be used |
