class="preprocessor">#endif</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#if defined(BOOST_GCC) &amp;&amp; (BOOST_GCC &gt;= 40900)</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#pragma GCC diagnostic push</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</s