[clang] [Sema] Check arg count for builtins with CustomTypeChecking (PR #222841)

[Shafik Yaghmour via cfe-commits]

================
@@ -4195,6 +4193,21 @@ Sema::CheckBuiltinFunctionCall(FunctionDecl *FDecl, unsigned BuiltinID,
   if (getLangOpts().HLSL && HLSL().CheckBuiltinFunctionCall(BuiltinID, TheCall))
     return ExprError();
 
+  // check if the builtin has CustomTypeChecking or not, if it dose we get the
+  // already parsed type string of the builtin and compare that with the
+  // caller's passed args and give error for too much args
----------------
shafik wrote:

```suggestion
  // caller's passed args and give error for too many args
```

https://github.com/llvm/llvm-project/pull/222841