ices/85907.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#85907

#![feature(const_panic)]

const fn hey() -> usize {
    panic!(123);
}

fn main() {
    let _: [u8; hey()] = todo!();
}

=== stdout ===
=== stderr ===
error: argument to `panic!()` in a const context must have type `&str`
 --> /home/runner/work/glacier/glacier/ices/85907.rs:4:5
  |
4 |     panic!(123);
  |     ^^^^^^^^^^^
  |
  = note: this error originates in the macro `$crate::panic::panic_2015` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to previous error

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