#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#[repr(align(4))]
struct AlignedI32(i32);
fn main() {
    let mut data = AlignedI32(42);
    let ptr = &mut data as *mut AlignedI32;
    assert!(ptr.is_aligned());
    assert!(! ptr.wrapping_byte_add(1).is_aligned());
}