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    <head>
      <base href="http://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 --- - Assertion `Cu && "We should not have orphaned DIEs."' failed after SVN 210943"
   href="http://llvm.org/bugs/show_bug.cgi?id=20062">20062</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Assertion `Cu && "We should not have orphaned DIEs."' failed after SVN 210943
          </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>Linux
          </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>DebugInfo
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>ryan.osial@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvmbugs@cs.uiuc.edu
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=12671" name="attach_12671" title="Backtrace">attachment 12671</a> <a href="attachment.cgi?id=12671&action=edit" title="Backtrace">[details]</a></span>
Backtrace

Assertion failed while compiling thin-provisioning-tools-0.2.8

clang:
/home/ryan/projects/nobackup/llvm/git/llvm/lib/CodeGen/AsmPrinter/DIE.cpp:111:
const llvm::DIE* llvm::DIE::getUnit() const: Assertion `Cu && "We should not
have orphaned DIEs."' failed.

Backtrace attached.  Will attach test case next

Reproducable with -O2 or -O3 combined with -g.  Did not occur with -O0 or -O1
nor when -g is not specified.

Assertion fails with:
flags="-g -O3"
flags="-g -O2"

Works with:
flags="-g -O1"
flags="-g -O0"
flags="-O2"
flags="-O3"</pre>
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