Avoid OOB access in Load* functions Bug: angleproject:424695342 Change-Id: I245612a41d55026c615ca0185af76a153c9fe3ec Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6642699 Reviewed-by: Amirali Abdolrashidi <abdolrashidi@google.com> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>