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//@ known-bug: #107975
//@ compile-flags: -Copt-level=2
//@ run-pass
// https://github.com/rust-lang/rust/issues/107975#issuecomment-1430704499
use std::ptr;
fn main() {
let a: usize = {
let v = 0;
ptr::from_ref(&v).expose_provenance()
};
let b: usize = {
let v = 0;
ptr::from_ref(&v).expose_provenance()
};
assert_ne!(a, b);
assert_ne!(a, b);
let c = a;
assert_eq!(format!("{} {} {}", a == b, a == c, b == c), "false true false");
println!("{a} {b}");
assert_eq!(format!("{} {} {}", a == b, a == c, b == c), "true true true");
}
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