ices/83993.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#83993

#![feature(const_generics)]
fn bug<'a>()
where
    for<'b> [(); {
        let x: &'b ();
        0
    }]:
{}

=== stdout ===
=== stderr ===
error[E0557]: feature has been removed
 --> /home/runner/work/glacier/glacier/ices/83993.rs:1:12
  |
1 | #![feature(const_generics)]
  |            ^^^^^^^^^^^^^^ feature has been removed
  |
  = note: removed in favor of `#![feature(adt_const_params]` and `#![feature(generic_const_exprs)]`

error[E0601]: `main` function not found in crate `83993`
 --> /home/runner/work/glacier/glacier/ices/83993.rs:1:1
  |
1 | / #![feature(const_generics)]
2 | | fn bug<'a>()
3 | | where
4 | |     for<'b> [(); {
... |
7 | |     }]:
8 | | {}
  | |__^ consider adding a `main` function to `/home/runner/work/glacier/glacier/ices/83993.rs`

error[E0658]: a non-static lifetime is not allowed in a `const`
 --> /home/runner/work/glacier/glacier/ices/83993.rs:5:17
  |
5 |         let x: &'b ();
  |                 ^^
  |
  = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
  = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable

error: aborting due to 3 previous errors

Some errors have detailed explanations: E0557, E0601, E0658.
For more information about an error, try `rustc --explain E0557`.
==============