With bytecode flushing and the current OSR triggering mechanism which
stores OSR nesting level on bytecode array it is possible to trigger
OSR on a closure that doesn't have feedback vector.

Bug: chromium:1031479
Change-Id: I4c62486f6b0eb6d6f9c96f98c1c1b275f3e6d6d5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1962850
Commit-Queue: Mythri Alle <mythria@chromium.org>
Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65431}