Ensure the bytecode array is available, before we put it to the
PendingOptimizationTable.

Bug: v8:12416
Change-Id: Ie4eb1a8a2ebdcdc0cfbfd7884eb081e156635a59
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3313108
Auto-Submit: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78293}