Intel Cleans Up LLVM/Clang For Misreporting CLDEMOTE On Arrow Lake & Future Hybrid CPUs

Code compilers like the prominent GCC and LLVM/Clang have been advertising support for the Cache Line Demote "CLDEMOTE" instruction on Arrow Lake processors as well as Lunar Lake and upcoming Panther Lake hybrid processors. Intel engineers added that compiler plumbing but was inaccurate and inadvertently missed until now with this prominent instruction not being supported there...