// MIR for `copy_for_deref` after built

fn copy_for_deref(_1: (&i32, i32)) -> i32 {
    let mut _0: i32;
    let mut _2: &i32;

    bb0: {
        _2 = deref_copy (_1.0: &i32);
        _0 = (*_2);
        return;
    }
}