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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 DUPLICATE - Segmentation fault at _tree:1098 with -O2 in Mac OS X clang++"
   href="https://llvm.org/bugs/show_bug.cgi?id=31376">bug 31376</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>NEW
           </td>
           <td>RESOLVED
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Resolution</td>
           <td>---
           </td>
           <td>DUPLICATE
           </td>
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            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED DUPLICATE - Segmentation fault at _tree:1098 with -O2 in Mac OS X clang++"
   href="https://llvm.org/bugs/show_bug.cgi?id=31376#c2">Comment # 2</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED DUPLICATE - Segmentation fault at _tree:1098 with -O2 in Mac OS X clang++"
   href="https://llvm.org/bugs/show_bug.cgi?id=31376">bug 31376</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>OK. So I managed to get the second example segfaulting on Linux at -O2, but
only after reverting r276003 which fixes UB in <__tree>.

Closing this as a duplicate of "Undefined behavior in __tree", which has been
fixed for a couple of releases now.

*** This bug has been marked as a duplicate of <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - Undefined behavior in __tree"
   href="show_bug.cgi?id=19302">bug 19302</a> ***</pre>
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