<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 --- - clang accepts ambiguous function name lookup when using operator()"
   href="http://llvm.org/bugs/show_bug.cgi?id=22039">22039</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>clang accepts ambiguous function name lookup when using operator()
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>trunk
          </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>C++
          </td>
        </tr>

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

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

        <tr>
          <th>CC</th>
          <td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>clang accepts this code:
#include <iostream>                                                             

struct A {                                                                      
  void operator()(int) {                                                        
    std::cout << "A::f\n";                                                      
  }                                                                             
};                                                                              

struct B {                                                                      
  void operator()() {                                                           
    std::cout << "B::f\n";                                                      
  }                                                                             
};                                                                              

struct C                                                                        
  : A, B                                                                        
{                                                                               
};                                                                              

int main() {                                                                    
  C c;                                                                          
  c();                                                                          
  return 0;                                                                     


which should give an ambiguous name lookup error. Both gcc and intel's compiler
correctly give the operator() is ambiguous error</pre>
        </div>
      </p>
      <hr>
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      <ul>
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    </body>
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