ices/105273.sh: fixed with errors

[github-actions]

Issue: rust-lang/rust#105273

#!/bin/bash

rustc "-Zunpretty=ast-tree" - <<'EOF'

#![c = ({(while ""))();

EOF

=== stdout ===
=== stderr ===
error: mismatched closing delimiter: `)`
 --> <anon>:2:9
  |
2 | #![c = ({(while ""))();
  |        -^          ^ mismatched closing delimiter
  |        ||
  |        |unclosed delimiter
  |        closing delimiter possibly meant for this

error: this file contains an unclosed delimiter
 --> <anon>:3:2
  |
2 | #![c = ({(while ""))();
  |   -                - missing open `(` for this delimiter
  |   |
  |   unclosed delimiter
3 |
  |  ^

error: aborting due to 2 previous errors

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