ices/83921.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#83921

#![crate_type = "staticlib"]
#[repr(packed())]
struct Packed2NestedPair;

=== stdout ===
=== stderr ===
error[E0552]: incorrect `repr(packed)` attribute format: `packed` takes exactly one parenthesized argument, or no parentheses at all
 --> /home/runner/work/glacier/glacier/ices/83921.rs:2:8
  |
2 | #[repr(packed())]
  |        ^^^^^^^^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0552`.
==============