ices/57200.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#57200

#![feature(impl_trait_in_bindings)]

fn bug<'a, 'b, T>()
where
    'a: 'b,
{
    let f: impl Fn(&'a T) -> &'b T = |x| x;
}


fn main() {}

=== stdout ===
=== stderr ===
warning: the feature `impl_trait_in_bindings` is incomplete and may cause the compiler to crash
 --> /home/runner/work/glacier/glacier/ices/57200.rs:1:12
  |
1 | #![feature(impl_trait_in_bindings)]
  |            ^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(incomplete_features)]` on by default

error: lifetimes in impl Trait types in bindings are not currently supported
 --> /home/runner/work/glacier/glacier/ices/57200.rs:7:12
  |
7 |     let f: impl Fn(&'a T) -> &'b T = |x| x;
  |            ^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to previous error

==============