[clang] [PAC] Add support for __ptrauth type qualifier (PR #100830)

[Aaron Ballman via cfe-commits]

================
@@ -9531,6 +9533,29 @@ bool SpecialMemberDeletionInfo::shouldDeleteForVariantObjCPtrMember(
   return true;
 }
 
+bool SpecialMemberDeletionInfo::shouldDeleteForVariantPtrAuthMember(
+    FieldDecl *FD, QualType FieldType) {
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AaronBallman wrote:

```suggestion
    const FieldDecl *FD, QualType FieldType) {
```
Why do we need to pass the field type explicitly? That's already encoded by the `FieldDecl` itself, right?

https://github.com/llvm/llvm-project/pull/100830