Under certain conditions GC could flush bytecode array from
SharedFunctionInfos. This CL ensures that the bytecode array is always
available for reconstructing source positions.

Bug: chromium:1265570
Change-Id: I2ce7eb04201f69121687ab0aaa2af42adb2caae0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3275569Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77877}