10 lines
424 B
Rust
10 lines
424 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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// Not using the () type here, as writes of that type do not even have MIR generated.
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// Also not assigning directly as that's array initialization, not assignment.
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let zst_val = [1u8; 0];
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unsafe { *std::ptr::null_mut() = zst_val }; //~ ERROR memory access failed: 0x0 is not a valid pointer
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}
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