<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/55047>55047</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            clang-tidy --quiet is not quite quiet
        </td>
    </tr>

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

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

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

<pre>
    # to reproduce

run `clang-tidy --quiet` with config which filters out, for example, one existing warning

# expected result

no `stderr` output is generated

# actual result

```
1 warning generated.
```
is printed to `stderr`

# version
```console
$ clang-tidy --version
LLVM (http://llvm.org/):
  LLVM version 11.0.1
  
  Optimized build.
  Default target: x86_64-pc-linux-gnu
  Host CPU: haswell
```
</pre>
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