git: 4df029cc74e5..ac9a064cb179 - vendor/llvm-project/main - vendor branch updated

From: Dimitry Andric <dim_at_FreeBSD.org>
Date: Fri, 26 Jul 2024 22:06:17 UTC
The branch vendor/llvm-project/main has been updated by dim:

URL: https://cgit.FreeBSD.org/src/log/?id=4df029cc74e5..ac9a064cb179

ac9a064cb179 Vendor import of llvm-project main llvmorg-19-init-18630-gf2ccf80136a0, the last commit before the upstream release/19.x branch was created.