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