If --stress-lazy-source-positions is enabled then always collect source
positions after lazy compilation to try and flush out bytecode mismatch
bugs.

Bug: v8:8510
Change-Id: I895611c9fde2c4743d62951674277973def01d3c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1679502
Commit-Queue: Dan Elphick <delphick@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Auto-Submit: Dan Elphick <delphick@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62414}