File: ranged_ints3.rs

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rustc 1.88.0%2Bdfsg1-2
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#![feature(rustc_attrs)]

use std::cell::Cell;

#[rustc_layout_scalar_valid_range_start(1)]
#[repr(transparent)]
pub(crate) struct NonZero<T>(pub(crate) T);
fn main() {
    let mut x = unsafe { NonZero(Cell::new(1)) };
    let y = &x.0; //~ ERROR borrow of layout constrained field with interior mutability
}