[clang] [Sema] Directly use written attributes in ObjC (PR #179703)

[Erich Keane via cfe-commits]

================
@@ -629,7 +594,7 @@ ObjCPropertyDecl *SemaObjC::CreatePropertyDecl(
   PDecl->setGetterName(GetterSel, GetterNameLoc);
   PDecl->setSetterName(SetterSel, SetterNameLoc);
   PDecl->setPropertyAttributesAsWritten(
-                          makePropertyAttributesAsWritten(AttributesAsWritten));
+      (ObjCPropertyAttribute::Kind)AttributesAsWritten);
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erichkeane wrote:

```suggestion
      static_cast<ObjCPropertyAttribute::Kind>(AttributesAsWritten));
```

https://github.com/llvm/llvm-project/pull/179703