ices/72554.rs: fixed with errors

=== stdout ===
=== stderr ===
error[E0072]: recursive type `ElemDerived` has infinite size
 --> /home/runner/work/glacier/glacier/ices/72554.rs:4:1
  |
4 | pub enum ElemDerived {
  | ^^^^^^^^^^^^^^^^^^^^ recursive type has infinite size
5 |     A(ElemDerived)
  |       ----------- recursive without indirection
  |
  = help: insert indirection (e.g., a `Box`, `Rc`, or `&`) at some point to make `ElemDerived` representable

error: aborting due to previous error

For more information about this error, try `rustc --explain E0072`.
==============

Author: rustbot