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    <head>
      <base href="https://bugs.llvm.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - failed assertion "registerCompactUnwind(): referentIsec->wasCoalesced" when linking ios apps"
   href="https://bugs.llvm.org/show_bug.cgi?id=52372">52372</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>failed assertion "registerCompactUnwind(): referentIsec->wasCoalesced" when linking ios apps
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>lld
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>MachO
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>vyng@google.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>gkm@fb.com, jezreel@gmail.com, llvm-bugs@lists.llvm.org, smeenai@fb.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>lld/MachO/InputFiles.cpp:917 in void
lld::macho::ObjFile::registerCompactUnwind(): referentIsec->wasCoalesced

Full trace:
8  lld::macho::ObjFile::registerCompactUnwind()
    @     0x55b8f304f078  lld::macho::ObjFile::parse<>()
    @     0x55b8f30487f6  lld::macho::ObjFile::ObjFile()
    @     0x55b8f3052479  lld::make<>()
    @     0x55b8f304ce3c  lld::macho::ArchiveFile::fetch()
    @     0x55b8f304d0da  lld::macho::ArchiveFile::fetch()


TODO: I'll post a simplified repro but we're seeing widespread crashes recently</pre>
        </div>
      </p>


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