Ryan Harrison 7f3b68edd5 Explictly use 64-bit random engine
Avoids downcasting issues for the seed on platforms where the random
engine is actually 32-bit.

Change-Id: Ia9e4cffb688e7c82f3f088b71f99002b76ad1df3
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/65640
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
2021-10-04 14:40:26 +00:00
..
2021-09-30 18:58:32 +00:00