- FixedArrayBase length
- BytecodeArray register count

Bug: v8:7790
Change-Id: Id514dd8857c06e5791c62fb898f778206de8aac4
Reviewed-on: https://chromium-review.googlesource.com/1183233Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55297}