13 lines
456 B
Rust
13 lines
456 B
Rust
// compile-flags: -Zmiri-permissive-provenance -Zmiri-disable-stacked-borrows
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fn main() {
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let x: i32 = 3;
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let x_ptr = &x as *const i32;
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// TODO: switch this to addr() once we intrinsify it
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let x_usize: usize = unsafe { std::mem::transmute(x_ptr) };
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// Cast back a pointer that did *not* get exposed.
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let ptr = x_usize as *const i32;
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assert_eq!(unsafe { *ptr }, 3); //~ ERROR Undefined Behavior: dereferencing pointer failed
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}
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