ices/99828.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#99828

fn get_iter(vec: &[i32]) -> impl Iterator<Item = {}> + '_ {
    vec.iter()
}

fn main() {
    let vec = Vec::new();
    let mut iter = get_iter(&vec);
    iter.next();
}

=== stdout ===
=== stderr ===
error[E0658]: associated const equality is incomplete
 --> /home/runner/work/glacier/glacier/ices/99828.rs:1:43
  |
1 | fn get_iter(vec: &[i32]) -> impl Iterator<Item = {}> + '_ {
  |                                           ^^^^^^^^^
  |
  = note: see issue #92827 <https://github.com/rust-lang/rust/issues/92827> for more information
  = help: add `#![feature(associated_const_equality)]` to the crate attributes to enable

error: expected associated type bound, found constant
 --> /home/runner/work/glacier/glacier/ices/99828.rs:1:43
  |
1 | fn get_iter(vec: &[i32]) -> impl Iterator<Item = {}> + '_ {
  |                                           ^^^^^^^^^
  |
note: associated type defined here

error: aborting due to 2 previous errors

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