14 lines
451 B
Rust
14 lines
451 B
Rust
#![feature(intrinsics)]
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// Directly call intrinsic to avoid debug assertions in libstd
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extern "rust-intrinsic" {
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fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize);
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}
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fn main() {
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let mut data = [0u16; 4];
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let ptr = &mut data[0] as *mut u16;
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// Even copying 0 elements from NULL should error.
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unsafe { copy_nonoverlapping(std::ptr::null(), ptr, 0); } //~ ERROR: memory access failed: 0x0 is not a valid pointer
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}
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