<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/123382>123382</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Forced line-break in pre-processor statements
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

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

    <tr>
      <th>Reporter</th>
      <td>
          tl-photography
      </td>
    </tr>
</table>

<pre>
    Lets assume we have this PP directive:

```c
#if ((CONDITION_A_SWITCH == ENABLED) || (CONDITION_A_SWITCH == ENABLED) || (CONDITION_A_SWITCH == ENABLED))
[...]
#endif
```

It would be nice to configure clang-format in a way that I would format this like:

```c
#if (   (CONDITION_A_SWITCH == ENABLED) \
     || (CONDITION_A_SWITCH == ENABLED) \
     || (CONDITION_A_SWITCH == ENABLED) )
[...]
#endif
```

The advantage of this would be that when SCM is used and lines would be added or removed, less or at least easier conflicts would occur.

In a large code base with a lot of feature switches, this would be very helpful.

I have checked the code if I could file a PR myself, but tbh I didn't find a place to start.
</pre>
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