[clang] [clang][PAC] add support for options parameter to __ptrauth (PR #136828)

[Corentin Jabot via cfe-commits]

================
@@ -320,6 +321,19 @@ class Parser : public CodeCompletionHandler {
     return PP.LookAhead(N - 1);
   }
 
+  template <class... TokT> bool NextTokenIsStringLiteral(TokT... FollowSet) {
+    static_assert(sizeof...(TokT) > 0, "Follow set cnanot be empty");
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cor3ntin wrote:

```suggestion
    static_assert(sizeof...(TokT) > 0, "Follow set cannot be empty");
```

https://github.com/llvm/llvm-project/pull/136828