[llvm] [TargetParser][AArch64] Believe runtime feature detection (PR #95694)

[via llvm-commits]

workingjubilee wrote:

Ehm, yes? https://github.com/llvm/llvm-project/blob/9f44d5d9d0903adaa9deb35d33056202e5030cb3/clang/lib/Driver/ToolChains/Arch/ARM.cpp#L592-L605

We primarily use this: https://github.com/llvm/llvm-project/blob/9f44d5d9d0903adaa9deb35d33056202e5030cb3/llvm/include/llvm-c/TargetMachine.h#L231-L233

https://github.com/llvm/llvm-project/pull/95694