git: 77dbea07356e..aca2e42c6729 - vendor/llvm-project/main - vendor branch updated

[Dimitry Andric]

The branch vendor/llvm-project/main has been updated by dim:

URL: https://cgit.FreeBSD.org/src/log/?id=77dbea07356e..aca2e42c6729

aca2e42c6729 Vendor import of llvm-project main 
llvmorg-18-init-16595-g7c00a5be5cde.