git: c938c0a64320..8092e001bcd7 - vendor/llvm-project/release-17.x - vendor branch updated

[Dimitry Andric]

The branch vendor/llvm-project/release-17.x has been updated by dim:

URL: https://cgit.FreeBSD.org/src/log/?id=c938c0a64320..8092e001bcd7

8092e001bcd7 Vendor import of llvm-project branch release/17.x 
llvmorg-17.0.0-rc4-10-g0176e8729ea4.