<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/69835>69835</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [clang] Migration to PointerIntPair
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            clang,
            clang:static analyzer,
            code-quality
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          Endilll
      </td>
    </tr>
</table>

<pre>
    Here is an incomplete list of ad-hoc tagged pointers that should be refactored to use `llvm::PointerIntPair`:
- [ ] clang::ActionResult::Value
- [ ] clang::ASTWriter::DeclOrType::Stored
- [ ] clang::CGBlockInfo::Capture::Data
- [ ] clang::DeclAccessPair::Ptr
- [ ] clang::DeclarationName::Ptr
- [ ] clang::DesignatedInitExpr::Designator::NameOrField
- [ ] clang::IdentifierResolver::Iterator::Ptr
- [ ] clang::LazyOffsetPtr::Ptr
- [ ] clang::NodeGroup::P
- [ ] clang::ObjCMessageExpr::SelectorOrMethod
- [ ] clang::OffsetOfNode::Data
- [ ] clang::Selector::InfoPtr
- [ ] clang::StmtIteratorBase::RawVAPtr
- [ ] clang::Token::PtrData
- [ ] clang::VTableComponent::Value
- [ ] clang::api_notes::FunctionInfo::NullabilityPayload
- [ ] clang::ento::SVal::Data

Apart from inconsistency with newer code that uses `PointerIntPair`, ad-hoc tagged pointers require boilerplate on the side of debug formatters.
</pre>
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