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      <base href="https://llvm.org/bugs/" />
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    <body><span class="vcard"><a class="email" href="mailto:chandlerc@gmail.com" title="Chandler Carruth <chandlerc@gmail.com>"> <span class="fn">Chandler Carruth</span></a>
</span> changed
              <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [PM] Analysis invalidation when deleting IRUnitT's (in particular functions)"
   href="https://llvm.org/bugs/show_bug.cgi?id=28400">bug 28400</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>FIXED
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [PM] Analysis invalidation when deleting IRUnitT's (in particular functions)"
   href="https://llvm.org/bugs/show_bug.cgi?id=28400#c5">Comment # 5</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [PM] Analysis invalidation when deleting IRUnitT's (in particular functions)"
   href="https://llvm.org/bugs/show_bug.cgi?id=28400">bug 28400</a>
              from <span class="vcard"><a class="email" href="mailto:chandlerc@gmail.com" title="Chandler Carruth <chandlerc@gmail.com>"> <span class="fn">Chandler Carruth</span></a>
</span></b>
        <pre>Looks like we have a winner. PoisoningVH was added in r292925 and used in
r292928. In the few places where it makes sense to retain this level of debug
assertions, this makes the code compatible with caching of analysis results. I
think this issue is now closed as all the workarounds are gone and my testing
so far looks very solid.</pre>
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