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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 --- - is_member_function_pointer does not account for ellipsis"
   href="http://llvm.org/bugs/show_bug.cgi?id=20345">20345</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>is_member_function_pointer does not account for ellipsis
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>libc++
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </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>All Bugs
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>kaballo86@hotmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvmbugs@cs.uiuc.edu, mclow.lists@gmail.com
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=12786" name="attach_12786" title="proposed fix">attachment 12786</a> <a href="attachment.cgi?id=12786&action=edit" title="proposed fix">[details]</a></span>
proposed fix

std::is_member_function_pointer is false for member functions with a parameter
list terminating in ellipsis. The following snippet reproduces the issue:

    #include <type_traits>
    struct X {};
    int main() {
      static_assert(std::is_member_function_pointer<void (X::*)(...)>::value,
"");
    }</pre>
        </div>
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