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    <body><span class="vcard"><a class="email" href="mailto:eric@efcs.ca" title="Eric Fiselier <eric@efcs.ca>"> <span class="fn">Eric Fiselier</span></a>
</span> changed
              <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - Improper alignment in pointer cast in unordered_map of std::aligned_storage"
   href="https://llvm.org/bugs/show_bug.cgi?id=31849">bug 31849</a>
        <br>
             <table border="1" cellspacing="0" cellpadding="8">
          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
          </tr>

         <tr>
           <td style="text-align:right;">Status</td>
           <td>ASSIGNED
           </td>
           <td>RESOLVED
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Resolution</td>
           <td>---
           </td>
           <td>FIXED
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - Improper alignment in pointer cast in unordered_map of std::aligned_storage"
   href="https://llvm.org/bugs/show_bug.cgi?id=31849#c6">Comment # 6</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - Improper alignment in pointer cast in unordered_map of std::aligned_storage"
   href="https://llvm.org/bugs/show_bug.cgi?id=31849">bug 31849</a>
              from <span class="vcard"><a class="email" href="mailto:eric@efcs.ca" title="Eric Fiselier <eric@efcs.ca>"> <span class="fn">Eric Fiselier</span></a>
</span></b>
        <pre>This has already been fixed in 4.0. I thought the fix made it into 3.9 but it
appears it didn't. The UB fixes for __tree made it in, but not the ones for
__hash_table.

Thanks for the report. Feel free to file any other UBSan bugs you find in
libc++ trunk.</pre>
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