ResetLinearAllocationBuffer() must be called as part of the marking
phase as it may free the current LAB which decreases live bytes which
previously could have caused an underflow.

Bug: chromium:1056170
Change-Id: I8a641fe340f5faf0dfad32cda84f796d0537134b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2917034
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Omer Katz <omerkatz@chromium.org>
Auto-Submit: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Omer Katz <omerkatz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74752}