ices/89765.rs: fixed with no errors

=== stdout ===
=== stderr ===
warning: the feature `const_raw_ptr_deref` has been stable since 1.58.0 and no longer requires an attribute to enable
 --> /home/runner/work/glacier/glacier/ices/89765.rs:2:12
  |
2 | #![feature(const_raw_ptr_deref)]
  |            ^^^^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(stable_features)]` on by default

warning: 1 warning emitted

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

Author: rustbot