<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/76626>76626</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Getting backtrace from `llvm-cov` on error
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          StackOverflowExcept1on
      </td>
    </tr>
</table>

<pre>
    Over the past few months, we have been constantly encountering an error like this due to regressions in the rust compiler
```
error: Failed to load coverage: 'target/x86_64-unknown-linux-gnu/coverage/x86_64-unknown-linux-gnu/release/main': Malformed coverage data
```
It would be nice to have some kind of flag for backtrace.
</pre>
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