[clang] [CodeGen][ObjCGNU] Replace PointerType::getUnqual(Type) with opaque pointer version (NFC) (PR #128715)

[Mats Jun Larsen via cfe-commits]

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@@ -3270,9 +3263,7 @@ CGObjCGNU::GenerateProtocolList(ArrayRef<std::string> Protocols) {
 llvm::Value *CGObjCGNU::GenerateProtocolRef(CodeGenFunction &CGF,
                                             const ObjCProtocolDecl *PD) {
   auto protocol = GenerateProtocolRef(PD);
-  llvm::Type *T =
-      CGM.getTypes().ConvertType(CGM.getContext().getObjCProtoType());
-  return CGF.Builder.CreateBitCast(protocol, llvm::PointerType::getUnqual(T));
+  return CGF.Builder.CreateBitCast(protocol, PtrTy);
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junlarsen wrote:

Is this obsolete? I wasn't quite able to tell.

https://github.com/llvm/llvm-project/pull/128715