<html>
    <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 --- - Debug-info verifier failure"
   href="http://llvm.org/bugs/show_bug.cgi?id=19221">19221</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Debug-info verifier failure
          </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>Windows NT
          </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>Core LLVM classes
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>paul_robinson@playstation.sony.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>The following program dies in the debug-info verifier (which
has to be turned on explicitly, it's disabled by default).
With the verifier disabled, it produced reasonable-looking DWARF.

========8<========
static union {
  int c;
};
int test_it() {
  c = 1;
  return (c == 1);
}
========8<========
clang -c -g test.cpp -mllvm -disable-debug-info-verifier=false
DIGlobalVariable does not Verify!
metadata !10
fatal error: error in backend: Broken module found, compilation aborted!
(etc.)</pre>
        </div>
      </p>
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