These warnings were generated due to a validation layer bug, which is
presumably fixed now.

Bug: angleproject:4572
Bug: angleproject:4577
Bug: angleproject:4578
Bug: angleproject:4579
Bug: angleproject:4580
Bug: angleproject:4583
Change-Id: I8799c4e33bc38f83e0fdd364cf6e7eb607c39890
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2227810Reviewed-by: Tim Van Patten <timvp@google.com>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>