While there, make sure to exit on failures (e.g. missing tools).
Signed-off-by: Piotr Sikora <piotrsikora@google.com>
Change-Id: Ie84425bbedefc8c37cf12afbf0ad541caa125ac0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3333634Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78388}