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    <body><span class="vcard"><a class="email" href="mailto:zcorpan&#64;gmail.com" title="Simon Pieters &lt;zcorpan&#64;gmail.com&gt;"> <span class="fn">Simon Pieters</span></a>
</span> changed
              <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED DUPLICATE - &quot;use strict&quot;; delete ProgressEvent.length; should not throw"
   href="https://bugs.webkit.org/show_bug.cgi?id=158062">bug 158062</a>
        <br>
             <table border="1" cellspacing="0" cellpadding="8">
          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
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         <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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        <div>
            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED DUPLICATE - &quot;use strict&quot;; delete ProgressEvent.length; should not throw"
   href="https://bugs.webkit.org/show_bug.cgi?id=158062#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED DUPLICATE - &quot;use strict&quot;; delete ProgressEvent.length; should not throw"
   href="https://bugs.webkit.org/show_bug.cgi?id=158062">bug 158062</a>
              from <span class="vcard"><a class="email" href="mailto:zcorpan&#64;gmail.com" title="Simon Pieters &lt;zcorpan&#64;gmail.com&gt;"> <span class="fn">Simon Pieters</span></a>
</span></b>
        <pre>Or, this should be true:

Object.getOwnPropertyDescriptor(function(){}, 'length').configurable

It seems this bug is a dup of the following two bugs:

<a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [WebIDL] Interface objects and interface prototype objects should be spec-compliant"
   href="show_bug.cgi?id=124598">https://bugs.webkit.org/show_bug.cgi?id=124598</a>
<a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Make Function.(name|length) configurable"
   href="show_bug.cgi?id=145460">https://bugs.webkit.org/show_bug.cgi?id=145460</a>

*** This bug has been marked as a duplicate of <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Make Function.(name|length) configurable"
   href="show_bug.cgi?id=145460">bug 145460</a> ***</pre>
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