16 lines
496 B
Rust
16 lines
496 B
Rust
// compile-flags: -Zmiri-permissive-provenance
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fn main() {
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// Cast a function pointer such that when returning, the return value 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() -> *const i32 {
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0usize as *const i32
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}
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let g: fn() -> &'static i32 = unsafe { std::mem::transmute(f as fn() -> *const i32) };
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let _x = g();
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//~^ ERROR encountered a null reference
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}
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