<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/133303>133303</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [CI] Migrate runtimes projects in premerge to runtimes build
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          boomanaiden154
      </td>
    </tr>
</table>

<pre>
    We need to migrate the runtimes projects like `libc` to use the runtimes build in the premerge infra as eventually building runtimes using `LLVM_ENABLE_PROJECTS` will be deprecated (with that planned after LLVM 21 branches).
</pre>
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