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    <body><span class="vcard"><a class="email" href="mailto:mclow.lists@gmail.com" title="Marshall Clow (home) <mclow.lists@gmail.com>"> <span class="fn">Marshall Clow (home)</span></a>

</span> changed

              <a class="bz_bug_link 

          bz_status_RESOLVED  bz_closed"

   title="RESOLVED INVALID - libc++ stringstream extraction doesn't properly throw exceptions"

   href="http://llvm.org/bugs/show_bug.cgi?id=19518">bug 19518</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>INVALID

           </td>

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        <div>

            <b><a class="bz_bug_link 

          bz_status_RESOLVED  bz_closed"

   title="RESOLVED INVALID - libc++ stringstream extraction doesn't properly throw exceptions"

   href="http://llvm.org/bugs/show_bug.cgi?id=19518#c2">Comment # 2</a>

              on <a class="bz_bug_link 

          bz_status_RESOLVED  bz_closed"

   title="RESOLVED INVALID - libc++ stringstream extraction doesn't properly throw exceptions"

   href="http://llvm.org/bugs/show_bug.cgi?id=19518">bug 19518</a>

              from <span class="vcard"><a class="email" href="mailto:mclow.lists@gmail.com" title="Marshall Clow (home) <mclow.lists@gmail.com>"> <span class="fn">Marshall Clow (home)</span></a>

</span></b>

        <pre>After some investigation, I believe that libc++'s implementation matches the

wording in the standard.

Given that Visual C++, libstdc++ and libc++ all give different results when the

OP's program is run; there's clearly disagreement as to what "should happen".

There is an open LWG issue <a href="http://cplusplus.github.io/LWG/lwg-active.html#2349">http://cplusplus.github.io/LWG/lwg-active.html#2349</a>

that addresses this.

When this issue is resolved, I will change libc++ to match the behavior

indicated by the committee.</pre>

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