ices/58987-2.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#58987

struct A<T> {
    field: [u8; f::<&T>()],
}
fn f<T>() -> usize { 0 }

fn main() {}

=== stdout ===
=== stderr ===
error[E0015]: calls in constants are limited to constant functions, tuple structs and tuple variants
 --> /home/runner/work/glacier/glacier/ices/58987-2.rs:2:17
  |
2 |     field: [u8; f::<&T>()],
  |                 ^^^^^^^^^

error[E0392]: parameter `T` is never used
 --> /home/runner/work/glacier/glacier/ices/58987-2.rs:1:10
  |
1 | struct A<T> {
  |          ^ unused parameter
  |
  = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0015, E0392.
For more information about an error, try `rustc --explain E0015`.
==============