<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 --- - MS ABI: covariant override of pure virtual function has different vftable entries"
   href="http://llvm.org/bugs/show_bug.cgi?id=21061">21061</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>MS ABI: covariant override of pure virtual function has different vftable entries
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang
          </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>LLVM Codegen
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>david.majnemer@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>struct IA {
  virtual IA *f();
};
struct __declspec(dllexport) IB : virtual IA {
  virtual IB *f() = 0;
  IB() {}
};

struct __declspec(dllexport) IC : IB {
  virtual IC *f();
  IC() {}
};

clang:
?f@IC@@$4PPPPPPPM@A@EAAPEAUIA@@XZ
?f@IC@@$4PPPPPPPM@A@EAAPEAUIB@@XZ
?f@IC@@$4PPPPPPPM@A@EAAPEAU1@XZ

msvc:
?f@IC@@$4PPPPPPPM@A@EAAPEAUIA@@XZ
?f@IC@@$4PPPPPPPM@7EAAPEAUIB@@XZ
?f@IC@@UEAAPEAU1@XZ</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are on the CC list for the bug.</li>
      </ul>
    </body>
</html>