src/test/ui/unsafe/ranged_ints3.rs

   1 // revisions: mirunsafeck thirunsafeck
   2 // [thirunsafeck]compile-flags: -Z thir-unsafeck
   3
   4 #![feature(rustc_attrs)]
   5
   6 use std::cell::Cell;
   7
   8 #[rustc_layout_scalar_valid_range_start(1)]
   9 #[repr(transparent)]
  10 pub(crate) struct NonZero<T>(pub(crate) T);
  11 fn main() {
  12     let mut x = unsafe { NonZero(Cell::new(1)) };
  13     let y = &x.0; //~ ERROR borrow of layout constrained field with interior mutability
  14 }