title: when is __cxa_deleted_virtual called
body: <p>I try to build a little test case set for avr c++ builds.</p>
  
  <p>There are some "exceptional functions" provided typically from the c++ library. Now I want to write a test program which produces this wrong code which must link to <code>__cxa_deleted_virtual</code>.</p>
  
  <p>Can anyone provide a code snippet which results in linking to that function?</p>
  
  <p>I have actually no idea how to produce this "buggy" code.</p>