rust/tests/run-pass/ice-1782.rs

// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution.
//
// 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.

#![allow(dead_code, unused_variables)]

/// Should not trigger an ICE in `SpanlessEq` / `consts::constant`
///
/// Issue: https://github.com/rust-lang/rust-clippy/issues/1782
use std::{mem, ptr};

fn spanless_eq_ice() {
    let txt = "something";
    match txt {
        "something" => unsafe {
            ptr::write(
                ptr::null_mut() as *mut u32,
                mem::transmute::<[u8; 4], _>([0, 0, 0, 255]),
            )
        },
        _ => unsafe {
            ptr::write(
                ptr::null_mut() as *mut u32,
                mem::transmute::<[u8; 4], _>([13, 246, 24, 255]),
            )
        },
    }
}

fn main() {}