1 #![feature(intrinsics)]
3 // Directly call intrinsic to avoid debug assertions in libstd
4 extern "rust-intrinsic" {
5 fn write_bytes<T>(dst: *mut T, val: u8, count: usize);
9 unsafe { write_bytes::<u8>(std::ptr::null_mut(), 0, 0) }; //~ ERROR: memory access failed: null pointer is a dangling pointer