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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - virtual operator()(y&) overload hides inherited virtual operator()(x&) causes compilation failure"
   href="http://llvm.org/bugs/show_bug.cgi?id=19285">19285</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>virtual operator()(y&) overload  hides inherited virtual operator()(x&) causes compilation failure
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>3.4
          </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>Frontend
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>rju65@terransystems.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>Hi, I have reviewed the bug list and don't see an obvious match for my issue. 

I have a virtual interface (A) which defines;

virtual char operator()(x&)=0; // x is one of my classes

this interface is publicly inherited by another interface (B) which defines;

virtual char operator()(y&)=0; // y is a different class

When I compile this I get and error reporting no known conversion from x to y;
both implementations are defined in the implementing class.

If I add a duplicate definition of A's operator definition to the one in B's so
that B contains both operator definitions, the code compiles.

This is repeatable using my code. If you need an example I can create one.


Best regards
Ray
Terran Systems Limited</pre>
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