git: 727e049ae598..791701a7dc62 - vendor/llvm-project/release-16.x - vendor branch updated

From: Dimitry Andric <dim_at_FreeBSD.org>
Date: Mon, 22 May 2023 16:22:25 UTC
The branch vendor/llvm-project/release-16.x has been updated by dim:

URL: https://cgit.FreeBSD.org/src/log/?id=727e049ae598..791701a7dc62

791701a7dc62 Vendor import of llvm-project branch release/16.x llvmorg-16.0.4-0-gae42196bc493 (aka 16.0.4 release).