This makes the following use cases produce a visible error:
- deserializing invalid data w/ d8 [previously broken]
- error in the script embedded in the web snapshot
- d8 can't read web snapshot files

Bug: v8:11525,v8:12820
Change-Id: I40a993194f9992a40c877261ebf9882e018b669b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3672415Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80852}