14 lines
442 B
Rust
14 lines
442 B
Rust
//@compile-flags: -Zmiri-permissive-provenance
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fn main() {
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// Cast a function pointer such that on a call, the argument gets transmuted
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// from raw ptr to reference. This is ABI-compatible, so it's not the call that
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// should fail, but validation should.
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fn f(_x: &i32) {}
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let g: fn(*const i32) = unsafe { std::mem::transmute(f as fn(&i32)) };
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g(0usize as *const i32)
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//~^ ERROR: encountered a null reference
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}
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