diff options
Diffstat (limited to 'tests/ui/unsafe/ranged_ints3.rs')
-rw-r--r-- | tests/ui/unsafe/ranged_ints3.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/ui/unsafe/ranged_ints3.rs b/tests/ui/unsafe/ranged_ints3.rs new file mode 100644 index 000000000..76d4bfe95 --- /dev/null +++ b/tests/ui/unsafe/ranged_ints3.rs @@ -0,0 +1,14 @@ +// revisions: mirunsafeck thirunsafeck +// [thirunsafeck]compile-flags: -Z thir-unsafeck + +#![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 +} |