Merge llvm-project release/17.x llvmorg-17.0.6-0-g6009708b4367
This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-17.0.6-0-g6009708b4367.
PR: 273753
MFC after: 1 month
(cherry picked from commit 5c16e71d30c388dd43b217de10a3ccb4b0219d0d)