ices/76064.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#76064

struct Bug([u8; panic!(1)]);

fn main() {}

=== stdout ===
=== stderr ===
error[E0658]: panicking in constants is unstable
 --> /home/runner/work/glacier/glacier/ices/76064.rs:1:17
  |
1 | struct Bug([u8; panic!(1)]);
  |                 ^^^^^^^^^
  |
  = note: see issue #51999 <https://github.com/rust-lang/rust/issues/51999> for more information
  = help: add `#![feature(const_panic)]` to the crate attributes to enable
  = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to previous error

For more information about this error, try `rustc --explain E0658`.
==============