ices/112623.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#112623

#![feature(const_trait_impl)]

#[const_trait]
trait Func<T> {
    type Output;

    fn call_once(self, arg: T) -> Self::Output;
}

struct Closure;

impl const Func<&usize> for Closure {
    type Output = usize;

    fn call_once(&'static self, arg: &usize) -> Self::Output {
        *arg
    }
}

enum Bug<T = [(); Closure.call_once(&0)]> {
    V(T),
}

=== stdout ===
=== stderr ===
error[E0601]: `main` function not found in crate `112623`
  --> /home/runner/work/glacier/glacier/ices/112623.rs:22:2
   |
22 | }
   |  ^ consider adding a `main` function to `/home/runner/work/glacier/glacier/ices/112623.rs`

error[E0015]: cannot call non-const fn `<Closure as Func<&usize>>::call_once` in constants
  --> /home/runner/work/glacier/glacier/ices/112623.rs:20:27
   |
20 | enum Bug<T = [(); Closure.call_once(&0)]> {
   |                           ^^^^^^^^^^^^^
   |
   = note: calls in constants are limited to constant functions, tuple structs and tuple variants

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0015, E0601.
For more information about an error, try `rustc --explain E0015`.
==============