ices/87573.rs: fixed with errors

=== stdout ===
=== stderr ===
error[E0718]: `drop_in_place` language item must be applied to a function with at least 1 generic argument
  --> /home/runner/work/glacier/glacier/ices/87573.rs:21:1
   |
21 | #[lang = "drop_in_place"]
   | ^^^^^^^^^^^^^^^^^^^^^^^^^
22 | fn drop_fn() { // <- the drop fn expects a generic T, missing T causes index error
   |           - this function has 0 generic arguments

error: aborting due to previous error

For more information about this error, try `rustc --explain E0718`.
==============

Author: rustbot