git: fa40418fea35..9cb5bdb8b26e - vendor/llvm-project/release-13.x - vendor branch updated

[Dimitry Andric]

The branch vendor/llvm-project/release-13.x has been updated by dim:

URL: https://cgit.FreeBSD.org/src/log/?id=fa40418fea35..9cb5bdb8b26e

9cb5bdb8b26e Vendor import of llvm-project branch release/13.x llvmorg-13.0.0-rc1-0-gd6974c010878.