35 lines
714 B
Rust
35 lines
714 B
Rust
//@ known-bug: #107975
|
|
//@ compile-flags: -Copt-level=2
|
|
//@ run-pass
|
|
|
|
// Based on https://github.com/rust-lang/rust/issues/107975#issuecomment-1432161340
|
|
|
|
#![feature(strict_provenance)]
|
|
|
|
use std::ptr;
|
|
|
|
#[inline(never)]
|
|
fn cmp(a: usize, b: usize) -> bool {
|
|
a == b
|
|
}
|
|
|
|
#[inline(always)]
|
|
fn cmp_in(a: usize, b: usize) -> bool {
|
|
a == b
|
|
}
|
|
|
|
fn main() {
|
|
let a: usize = {
|
|
let v = 0;
|
|
ptr::from_ref(&v).addr()
|
|
};
|
|
let b: usize = {
|
|
let v = 0;
|
|
ptr::from_ref(&v).addr()
|
|
};
|
|
assert_eq!(format!("{}", a == b), "false");
|
|
assert_eq!(format!("{}", cmp_in(a, b)), "false");
|
|
assert_eq!(format!("{}", cmp(a, b)), "true");
|
|
assert_eq!(a.to_string(), b.to_string());
|
|
}
|