In turboprop, we reuse the code on a soft deopt. It will be good to
differentiate between a deopt that reuses the optimized code on the
next run and the deopt that discards the code. The deopt that reuses the
code is called a "bailout" because it is just bails out for one
execution to the unoptimized code.

Change-Id: I9a300201e9b327415e94c2817065d6a561f8ece5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2277807
Commit-Queue: Mythri Alle <mythria@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68722}