ices/61774.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#61774

fn main() {
    let _: [_; unsafe { std::mem::transmute(|| {}) }];
}

=== stdout ===
=== stderr ===
error: `std::intrinsics::transmute` is not yet stable as a const fn
 --> /home/runner/work/glacier/glacier/ices/61774.rs:2:25
  |
2 |     let _: [_; unsafe { std::mem::transmute(|| {}) }];
  |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = help: add `#![feature(const_transmute)]` to the crate attributes to enable

error[E0080]: evaluation of constant value failed
 --> /home/runner/work/glacier/glacier/ices/61774.rs:2:25
  |
2 |     let _: [_; unsafe { std::mem::transmute(|| {}) }];
  |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ tried to transmute from [closure@/home/runner/work/glacier/glacier/ices/61774.rs:2:45: 2:50] to usize, but their sizes differed

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0080`.
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