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    <body><span class="vcard"><a class="email" href="mailto:jeremy.morse.llvm@gmail.com" title="Jeremy Morse <jeremy.morse.llvm@gmail.com>"> <span class="fn">Jeremy Morse</span></a>
</span> changed
          <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED DUPLICATE - Non-deterministic debug info with LTO"
   href="https://bugs.llvm.org/show_bug.cgi?id=44147">bug 44147</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;">Resolution</td>
           <td>---
           </td>
           <td>DUPLICATE
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Status</td>
           <td>CONFIRMED
           </td>
           <td>RESOLVED
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            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED DUPLICATE - Non-deterministic debug info with LTO"
   href="https://bugs.llvm.org/show_bug.cgi?id=44147#c13">Comment # 13</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED DUPLICATE - Non-deterministic debug info with LTO"
   href="https://bugs.llvm.org/show_bug.cgi?id=44147">bug 44147</a>
              from <span class="vcard"><a class="email" href="mailto:jeremy.morse.llvm@gmail.com" title="Jeremy Morse <jeremy.morse.llvm@gmail.com>"> <span class="fn">Jeremy Morse</span></a>
</span></b>
        <pre>David wrote:
<span class="quote">> Likely duplicate of <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Nondeterminstic jump threading optimization"
   href="show_bug.cgi?id=43909">bug 43909</a>?</span >

Yup, that definitely looks to be it; and the patch in
<a href="https://reviews.llvm.org/D70376">https://reviews.llvm.org/D70376</a> is better; thanks for the cross-reference.

Mike wrote:
<span class="quote">> I tried with the 3 patches from that branch, but without assertions, and the 
> non-determinism I mentioned in <a href="show_bug.cgi?id=44147#c9">comment 9</a> are gone.</span >

Cool, it must have been switching from WeakVH to LVIValueHandle. The patch in
the other bug looks like it'll go in shortly, and it appears to fix the same
issue in a better way. I'll mark this as a duplicate; please re-open if D70376
doesn't actually fix it for you.

*** This bug has been marked as a duplicate of <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Nondeterminstic jump threading optimization"
   href="show_bug.cgi?id=43909">bug 43909</a> ***</pre>
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