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      <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 --- - IRMover throws error when merging ProfileSummary metadata"
   href="https://llvm.org/bugs/show_bug.cgi?id=28219">28219</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>IRMover throws error when merging ProfileSummary metadata
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>libraries
          </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>Miscellaneous Instrumentation passes
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>jvanadrighem@gmail.com
          </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=16601" name="attach_16601" title="Set of repro files">attachment 16601</a> <a href="attachment.cgi?id=16601&action=edit" title="Set of repro files">[details]</a></span>
Set of repro files

While using IRPGO and during an LTO build, IRMover is throwing an error when
trying to merge the ProfileSummary module metadata.
"linking module flags 'ProfileSummary': IDs have conflicting values"
Is throwing an error the correct behavior to have when merging ProfileSummary
metadata?

The attachment contains a trivial case I used to reproduce.</pre>
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