Merge llvm-project release/16.x llvmorg-16.0.5-0-g185b81e034ba
This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-16.0.5-0-g185b81e034ba (aka 16.0.5 release).
PR: 271047
MFC after: 1 month
(cherry picked from commit 2efbaac7a07fff163640a67873b3ac250794ec3f)