kNextChunk handling in deserializer.cc relies on the reservation
mechanism, which is not used by builtin deserialization. To avoid
complications, we work around this for now by skipping over these
bytecodes.

This will soon become unnecessary once allocations & reservations have
been refactored.

Bug: v8:6624
Change-Id: I9e861268ee2b3f49fe7f3ed6c1e3501b4b47dc37
Reviewed-on: https://chromium-review.googlesource.com/655158Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47879}