<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/55182>55182</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Backport [MC][AArch64] Enable '+v8a' when nothing specified for MCSubtargetInfo
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            mc,
            release:backport
      </td>
    </tr>

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

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

<pre>
    4a31af88a26726f4662a2923618fe45977d09356 fixes some backward compatibility problems of MC tools.  
For example, without this patch, llvm-objdump can't decompile some instructions which can be decompiled before 14.0 with default parameter.
</pre>
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