git: 6f8fc217eaa1..ecbca9f5fb7d - vendor/llvm-project/main - vendor branch updated

From: Dimitry Andric <dim_at_FreeBSD.org>
Date: Sat, 05 Feb 2022 18:06:07 UTC
The branch vendor/llvm-project/main has been updated by dim:

URL: https://cgit.FreeBSD.org/src/log/?id=6f8fc217eaa1..ecbca9f5fb7d

ecbca9f5fb7d Vendor import of llvm-project main llvmorg-14-init-18294-gdb01b123d012, the last commit before the upstream release/14.x branch was created.