ices/67883.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#67883

#![feature(const_generics)]

struct Caca<const A: &'static str> {
    s: String
}

impl<const A: &str> Default for Caca<A> {
    fn default() -> Self {
        let a = Self::A;
        Self {
            s: A.to_string()
        }
    }
}

fn main() {
    println!("Hello, world!");
}

=== stdout ===
=== stderr ===
error[E0637]: `&` without an explicit lifetime name cannot be used here
 --> /home/runner/work/glacier/glacier/ices/67883.rs:7:15
  |
7 | impl<const A: &str> Default for Caca<A> {
  |               ^ explicit lifetime name needed here

warning: the feature `const_generics` is incomplete and may cause the compiler to crash
 --> /home/runner/work/glacier/glacier/ices/67883.rs:1:12
  |
1 | #![feature(const_generics)]
  |            ^^^^^^^^^^^^^^
  |
  = note: `#[warn(incomplete_features)]` on by default

error[E0599]: no associated item named `A` found for struct `Caca<A>` in the current scope
 --> /home/runner/work/glacier/glacier/ices/67883.rs:9:23
  |
3 | struct Caca<const A: &'static str> {
  | ---------------------------------- associated item `A` not found for this
...
9 |         let a = Self::A;
  |                       ^ associated item not found in `Caca<A>`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0599`.
==============