Merge llvm-project release/17.x llvmorg-17.0.0-rc4-10-g0176e8729ea4
This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-17.0.0-rc4-10-g0176e8729ea4.
PR: 273753
MFC after: 1 month
(cherry picked from commit 8a4dda33d67586ca2624f2a38417baa03a533a7f)