ices/69654.rs: fixed with errors

=== stdout ===
=== stderr ===
error[E0423]: expected value, found type parameter `O`
   --> /home/runner/work/glacier/glacier/ices/69654.rs:4:25
    |
4   | impl<O> Bar<O> for [u8; O] {}
    |                         ^ help: a tuple variant with a similar name exists: `Ok`

warning: the feature `const_generics` is incomplete and may cause the compiler to crash
 --> /home/runner/work/glacier/glacier/ices/69654.rs:1:12
  |
1 | #![feature(const_generics)]
  |            ^^^^^^^^^^^^^^
  |
  = note: `#[warn(incomplete_features)]` on by default

error: aborting due to previous error; 1 warning emitted

For more information about this error, try `rustc --explain E0423`.
==============

Author: rustbot