gcc version 8.4 is currently throwing the following compilation
error:
```
 error: variable 'first' set but not used
```

Change-Id: I25e1197b8deaa0089adee2e736448976705c7497
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3602060Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/main@{#80153}