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

[Prajwal Nadig via cfe-commits]

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@@ -300,6 +300,10 @@ makePropertyAttributesAsWritten(unsigned Attributes) {
     attributesAsWritten |= ObjCPropertyAttribute::kind_class;
   if (Attributes & ObjCPropertyAttribute::kind_direct)
     attributesAsWritten |= ObjCPropertyAttribute::kind_direct;
+  if (Attributes & ObjCPropertyAttribute::kind_nullability)
+    attributesAsWritten |= ObjCPropertyAttribute::kind_nullability;
+  if (Attributes & ObjCPropertyAttribute::kind_null_resettable)
+    attributesAsWritten |= ObjCPropertyAttribute::kind_null_resettable;
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snprajwal wrote:

Ah right, that makes sense. I'll open a follow-up PR to expand the test coverage.

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