rust/tests/ui/consts/const-assert-unchecked-ub.rs

#![feature(hint_assert_unchecked)]
#![feature(const_hint_assert_unchecked)]

const _: () = unsafe {
    let n = u32::MAX.count_ones();
    std::hint::assert_unchecked(n < 32); //~ ERROR evaluation of constant value failed
};

fn main() {
}