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    <body><span class="vcard"><a class="email" href="mailto:spatel+llvm@rotateright.com" title="Sanjay Patel <spatel+llvm@rotateright.com>"> <span class="fn">Sanjay Patel</span></a>
</span> changed
              <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - Assertion failed: ((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?"), function computeKnownBits, file lib/Analysis/ValueTracking.cpp, line 1606."
   href="https://llvm.org/bugs/show_bug.cgi?id=31809">bug 31809</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 - Assertion failed: ((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?"), function computeKnownBits, file lib/Analysis/ValueTracking.cpp, line 1606."
   href="https://llvm.org/bugs/show_bug.cgi?id=31809#c17">Comment # 17</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - Assertion failed: ((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?"), function computeKnownBits, file lib/Analysis/ValueTracking.cpp, line 1606."
   href="https://llvm.org/bugs/show_bug.cgi?id=31809">bug 31809</a>
              from <span class="vcard"><a class="email" href="mailto:spatel+llvm@rotateright.com" title="Sanjay Patel <spatel+llvm@rotateright.com>"> <span class="fn">Sanjay Patel</span></a>
</span></b>
        <pre>Resolving as fixed (although there may now be undefined behavior in the program
that gets silently compiled to something unexpected).

It should be possible to see a compiler analysis remark for this example after:
<a href="https://reviews.llvm.org/rL294208">https://reviews.llvm.org/rL294208</a>

See also related <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - print a remark when an llvm.assume has a false param"
   href="show_bug.cgi?id=31882">bug 31882</a>.</pre>
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