git: 791701a7dc62..3b922bd9516f - vendor/llvm-project/release-16.x - vendor branch updated

From: Dimitry Andric <dim_at_FreeBSD.org>
Date: Sun, 04 Jun 2023 19:01:00 UTC
The branch vendor/llvm-project/release-16.x has been updated by dim:

URL: https://cgit.FreeBSD.org/src/log/?id=791701a7dc62..3b922bd9516f

3b922bd9516f Vendor import of llvm-project branch release/16.x llvmorg-16.0.5-0-g185b81e034ba (aka 16.0.5 release).