Merge llvm-project release/14.x llvmorg-14.0.3-0-g1f9140064dfb
This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14.0.3-0-g1f9140064dfb.
PR: 261742
MFC after: 2 weeks
(cherry picked from commit 3a9a9c0ca44ec535dcf73fe8462bee458e54814b)