<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/155209>155209</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            When using llvm-bolt, garbled characters appear when executing the --update-debug-sections command.
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            BOLT
      </td>
    </tr>

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

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

<pre>
    When using llvm-bolt to perform bolt reordering, adding the --update-debug-sections option causes the log output to become disordered.

Without  --update-debug-sections option, Can output results normally：

 - Command: llvm-bolt "xx/libxx.so" -o "bolt_output/libxx.bolt" \
    -data="fdata_output/libpxx.yaml" \
    --reorder-blocks=ext-tsp \
    --reorder-functions=cdsort \
    --split-functions \
    --split-strategy=profile2 \
    --split-eh \
    --dyno-stats \
    --no-huge-pages \
    --align-text=0x4000 \
    --infer-stale-profile 
BOLT-INFO: setting __hot_start to 0x64000
BOLT-INFO: setting __hot_end to 0x64bac
 - Result: SUCCESS (took 0 seconds)
 - Output size: 596K


With   --update-debug-sections option, the program will enter garbled code, suspected of entering an infinite loop.

<img width="1228" height="1138" alt="Image" src="https://github.com/user-attachments/assets/388d8c31-0401-423f-bc50-58db8ba55690" />
</pre>
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