[clang] [llvm] [FMV][AArch64] Expand feature dependencies using AArch64::ExtensionSet. (PR #113281)

[Alexandros Lamprineas via cfe-commits]

labrinea wrote:

Thanks. IMHO this counts as supporting evidence to why some FMV features are obsolete and should be unified with others or removed from the ACLE spec.

https://github.com/llvm/llvm-project/pull/113281