src/test/ui/run-pass/ctfe/ice-48279.rs

   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.
   4 //
   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.
  10
  11 // run-pass
  12
  13 // https://github.com/rust-lang/rust/issues/48279
  14
  15 #![feature(min_const_fn)]
  16
  17 #[derive(PartialEq, Eq)]
  18 pub struct NonZeroU32 {
  19     value: u32
  20 }
  21
  22 impl NonZeroU32 {
  23     const unsafe fn new_unchecked(value: u32) -> Self {
  24         NonZeroU32 { value }
  25     }
  26 }
  27
  28 //pub const FOO_ATOM: NonZeroU32 = unsafe { NonZeroU32::new_unchecked(7) };
  29 pub const FOO_ATOM: NonZeroU32 = unsafe { NonZeroU32 { value: 7 } };
  30
  31 fn main() {
  32     match None {
  33         Some(FOO_ATOM) => {}
  34         _ => {}
  35     }
  36 }