#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use core::sync::atomic::{AtomicPtr, Ordering};
fn main() {
    let mut arr = [0i64, 1];
    let atom = AtomicPtr::<i64>::new(&raw mut arr[1]);
    assert_eq!(
        atom.fetch_byte_sub(8, Ordering::Relaxed).addr(), (& raw const arr[1]).addr()
    );
    assert_eq!(atom.load(Ordering::Relaxed).addr(), (& raw const arr[0]).addr());
}