9 lines
322 B
Rust
9 lines
322 B
Rust
// Some optimizations remove ZST accesses, thus masking this UB.
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// compile-flags: -Zmir-opt-level=0
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fn main() {
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// This pointer *could* be NULL so we cannot load from it, not even at ZST
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let ptr = (&0u8 as *const u8).wrapping_sub(0x800) as *const ();
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let _x: () = unsafe { *ptr }; //~ ERROR outside bounds
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}
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