[clang] [Clang][AArch64] Include SME attributes in the name mangling of function types (PR #114209)

[Sander de Smalen via cfe-commits]

================
@@ -3536,35 +3536,64 @@ void CXXNameMangler::mangleExtFunctionInfo(const FunctionType *T) {
   // FIXME: noreturn
 }
 
-bool hasSharedState(unsigned SMEAttrs) {
+unsigned getZAState(unsigned SMEAttrs) {
----------------
sdesmalen-arm wrote:

nit: use the word `encode` instead of `get`?

https://github.com/llvm/llvm-project/pull/114209