#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::cell::UnsafeCell;
fn main() {
    let x: UnsafeCell<i32> = 42.into();
    let (p1, p2): (&UnsafeCell<i32>, &UnsafeCell<i32>) = (&x, &x);
    unsafe {
        let p1_exclusive: &mut i32 = &mut *p1.get();
        *p1_exclusive += 27;
    }
    unsafe {
        let p2_shared: &i32 = &*p2.get();
        assert_eq!(* p2_shared, 42 + 27);
        let p1_shared: &i32 = &*p1.get();
        assert_eq!(* p1_shared, * p2_shared);
    }
}