<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/55550>55550</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            ASTImporter: error: cannot import unsupported AST node UsingPack
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            clang,
            missing-feature
      </td>
    </tr>

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

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

<pre>
    Analyzing contour (see version info below) with CTU fails, because ASTImporter does not support UsingPack.

```
contour/src/crispy/overloaded.h:18:15: error: cannot import unsupported AST node UsingPack
    using Ts::operator()...;
              ^
```
version and build info of contour:
```
{
            "name": "contour",
            "make_command": "ninja -C build",
            "tag": "v0.2.0.173",
            "url": "https://github.com/contour-terminal/contour.git",
            "configure_command": "cmake -B build -GNinja -DCMAKE_BUILD_TYPE=Debug -DYAML_BUILD_SHARED_LIBS=OFF -DYAML_CPP_BUILD_CONTRIB=OFF -DYAML_CPP_BUILD_TESTS=OFF -DYAML_CPP_BUILD_TOOLS=OFF -DYAML_CPP_INSTALL=OFF"
        },
```
</pre>
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