<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=http://email.email.llvm.org/c/eJylUsGu2yAQ_Bp8QbEwxLF98OG9RpX6FRU2G5tXwlos1E2_vuAm6rtXQrBohtmBYULzGK2P_K6tZ7JncmDiysQb696fhRhuGAqk3svIBPWCuuuLU2b0_Fd_-X45n3brDe50Wnxi8gu3kRsE4h4jpxV3rv0jrtYvBfxIFPkcNK2ZoW8RAg_J-4zWn8W_8XLiR9HKEsmZpxLfdShkvkKAooehcCzxGf0tUYH2FTx_YOK4RXu3v6EwImYbPF9d_e1eGlZmVGZQg650iiuGMYIOSPMME1QpuHGNcSOm3pj8msdi45qmesZ73jj387WctoAfMMe8tUQJKBetEn1freMwGAmNUHMzz90se9CgulvT9W2ntAZTOT2Bo5G1-amlh50fErlm7bX6fwd2lEJK0YheStkKVQtz0eYCZ2hU00w55rOA_BlcXXRqDEsVxkNySgtl0FmK9A_URHbxAIfh7DDa6GBMBA6IuEPcSgLPyAJsGOKn0HSOHu-bdcBzMlBXh9vxsPoHDc_Xlw>53088</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            useless looping should report a warning at compile time.
        </td>
    </tr>

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

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

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

<pre>
    int main()
{
        for(;;);
}

on x86_64-windows-gnu, it does not show anything, just crashes after running.

I think it should show a warning here, or it is confusing when you optimize it to an int3 crashing.
</pre>
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