src/test/ui/sanitizer-address.rs

// needs-sanitizer-support
// only-x86_64
//
// compile-flags: -Z sanitizer=address -O
//
// run-fail
// error-pattern: AddressSanitizer: stack-buffer-overflow
// error-pattern: 'xs' <== Memory access at offset

#![feature(test)]

use std::hint::black_box;
use std::mem;

fn main() {
    let xs = [0, 1, 2, 3];
    // Avoid optimizing everything out.
    let xs = black_box(xs.as_ptr());
    let code = unsafe { *xs.offset(4) };
    std::process::exit(code);
}