22 lines
564 B
Rust
22 lines
564 B
Rust
// compile-flags: -Zmiri-disable-stacked-borrows
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#![feature(strict_provenance)]
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use std::ptr;
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// Make sure that with legacy provenance, the allocation id of
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// a casted pointer is determined at cast-time
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fn main() {
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let x: i32 = 0;
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let y: i32 = 1;
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let x_ptr = &x as *const i32;
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let y_ptr = &y as *const i32;
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let x_usize = x_ptr.expose_addr();
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let y_usize = y_ptr.expose_addr();
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let ptr = ptr::from_exposed_addr::<i32>(y_usize);
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let ptr = ptr.with_addr(x_usize);
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assert_eq!(unsafe { *ptr }, 0); //~ ERROR is out-of-bounds
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}
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