If a bytecode mismatch occurs, the original and new bytecode are now
printed along with the position of the bytecode mismatch.

Bug: v8:8510
Change-Id: Ia3b016fb4e0edde46944533a6a768499b20678d2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1774722
Commit-Queue: Dan Elphick <delphick@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63500}