ices/86850.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#86850

#![feature(generic_const_exprs)]
#![allow(incomplete_features)]
use core::marker::PhantomData;

pub trait Foo {
    const SIZE: usize;
}

pub struct Bar<T>(PhantomData<T>);
impl<T: Foo> Bar<T> {
    pub fn new(array: [(); T::SIZE]) -> Self {
        Self(PhantomData)
    }
    pub fn bar(self) -> Bar<T>
    where
        [(); T::SIZE]: ,
    {
        Bar::new([(); T::SIZE])
    }
}

=== stdout ===
=== stderr ===
error[E0601]: `main` function not found in crate `86850`
  --> /home/runner/work/glacier/glacier/ices/86850.rs:1:1
   |
1  | / #![feature(generic_const_exprs)]
2  | | #![allow(incomplete_features)]
3  | | use core::marker::PhantomData;
4  | |
...  |
19 | |     }
20 | | }
   | |_^ consider adding a `main` function to `/home/runner/work/glacier/glacier/ices/86850.rs`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0601`.
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