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// run-pass
#![feature(ptr_internals, test)]
extern crate test;
use test::black_box as b; // prevent promotion of the argument and const-propagation of the result
use std::ptr::Unique;
const PTR: *mut u32 = Unique::dangling().as_ptr();
pub fn main() {
// Be super-extra paranoid and cast the fn items to fn pointers before blackboxing them.
assert_eq!(PTR, b::<fn() -> _>(Unique::<u32>::dangling)().as_ptr());
}
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