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    <head>
      <base href="https://llvm.org/bugs/" />
    </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 --- - llvm-ar generates ld64 incompatible symbol index"
   href="https://llvm.org/bugs/show_bug.cgi?id=28361">28361</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>llvm-ar generates ld64 incompatible symbol index
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>tools
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>trunk
          </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>llvm-ar
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>compnerd@compnerd.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=16648" name="attach_16648" title="reduced.bash">attachment 16648</a> <a href="attachment.cgi?id=16648&action=edit" title="reduced.bash">[details]</a></span>
reduced.bash

Seems that ld64 does not like the symbol index table in certain cases. 
Reproducing the bug is slightly annoying as it requires multiple files,
attaching a shell script for reproduction.

Requires NASM; you can specify the path to NASM and LLVM_AR to run the test:

AR=llvm-ar NASM=nasm ./reduced.bash</pre>
        </div>
      </p>
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