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// revisions: mir thir
// [thir]compile-flags: -Z thir-unsafeck
#![feature(rustc_attrs)]
#[rustc_layout_scalar_valid_range_start(1)]
#[repr(transparent)]
pub(crate) struct NonZero<T>(pub(crate) T);
fn main() {}
const fn foo() -> NonZero<u32> { NonZero(0) }
//~^ ERROR initializing type with `rustc_layout_scalar_valid_range` attr is unsafe
const fn bar() -> NonZero<u32> { unsafe { NonZero(0) } }
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