<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/66907>66907</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            clang-format CMakeCXXCompilerId.cpp takes 38 minutes with "QualifierAlignment: Left"
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            clang-format
      </td>
    </tr>

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

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

<pre>
    Create a CMake hello-world project and (accidentally) format the build directory:

```
> time clang-format -i build/CMakeFiles/3.27.2/CompilerIdCXX/CMakeCXXCompilerId.cpp
Executed in 3.46 secs
> echo "QualifierAlignment: Left" > .clang-format
> time clang-format -i build/CMakeFiles/3.27.2/CompilerIdCXX/CMakeCXXCompilerId.cpp
Executed in 38.36 mins
```

clang-format version 16.0.6
</pre>
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