ices/87308.sh: fixed with no errors

[github-actions]

Issue: rust-lang/rust#87308

#!/usr/bin/env bash

rustc - -Zunpretty=everybody_loops << 'EOF'
macro_rules! foo {
    () => { break 'x; } //~ ERROR use of undeclared label `'x`
}

pub fn main() {
    'x: loop { foo!() }
}
EOF

=== stdout ===
#![feature(prelude_import)]
#![no_std]
#[prelude_import]
use ::std::prelude::rust_2015::*;
#[macro_use]
extern crate std;
macro_rules! foo {
    () => { break 'x ; } //~ ERROR use of undeclared label `'x`
}

pub fn main() { loop { } }
=== stderr ===
==============