Robustify %CompileBaseline against fuzzing, and allowlist it in the
fuzzer.

Bug: v8:11420
Change-Id: I44947014c8c9362d80ea98636dbbaa5d07d6a177
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2739643
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73325}