ation), and additional testcases will be
  added as we are able to identify other typical problem cases. These
  test cases will serve as a benchmark by which we can compare debug
  mode implementations.</p></div></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="debug_mode.design.other"></a>Other Implementations</h3></div></div></div><p>
    </p><p> There are several existing implementations of debug modes for C++
  standard library implementations, although none of 