<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/59464>59464</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [test][libc++] Some libc++ tests are a bit flaky
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            libc++,
            test-suite
      </td>
    </tr>

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

    <tr>
      <th>Reporter</th>
      <td>
          fsb4000
      </td>
    </tr>
</table>

<pre>
    First run:
```
Failed Tests (1):
 llvm-libc++-shared-no-vcruntime-clangcl.cfg.in :: std/thread/thread.condition/thread.condition.condvarany/notify_one.pass.cpp
```

Second run:
```
Failed Tests (2):
  llvm-libc++-shared-clangcl.cfg.in :: std/thread/futures/futures.async/async.pass.cpp
 llvm-libc++-shared-clangcl.cfg.in :: std/thread/thread.mutex/thread.mutex.requirements/thread.sharedtimedmutex.requirements/thread.sharedtimedmutex.class/try_lock_shared_for.pass.cpp
```

Third run:
CI is green after rerun without code changes.

https://reviews.llvm.org/harbormaster/build/307754/
</pre>
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