ices/72105.sh: fixed with no errors

[github-actions]

Issue: rust-lang/rust#72105

#!/bin/bash

cat > 72105.rs <<EOF
extern "C" {
    static _dispatch_queue_attr_concurrent: [u8; 0];
}

fn main() {
let x: &[u8; 0] =
    unsafe { &_dispatch_queue_attr_concurrent };
}
EOF

rustc --emit=mir 72105.rs

=== stdout ===
=== stderr ===
warning: unused variable: `x`
 --> 72105.rs:6:5
  |
6 | let x: &[u8; 0] =
  |     ^ help: if this is intentional, prefix it with an underscore: `_x`
  |
  = note: `#[warn(unused_variables)]` on by default

warning: 1 warning emitted

==============