This is used by the DynamicCheckMaps operator to indicate that the
optimized code should not be thrown away, but instead should be re-run
again, after healing the feedback.

Bug: v8:10582, v8:9684
Change-Id: Ib2408ba0d1d1a6bf50b2031a5312c7a8cca08730
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2308334
Commit-Queue: Sathya Gunasekaran  <gsathya@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68997}