/span><span class="special">::</span><span class="identifier">forced_unwind</span><span class="special">&amp;)</span> <span class="special">{</span>
    <span class="keyword">throw</span><span class="special">;</span>
<span class="special">}</span> <span class="keyword">catch</span><span class="special">(...)</span> <span class="special">{</span>
    <span class="comment">// possibly not re-throw pending exception</span>
<span class="special">}</span>
</pre>
<div class="important"><table border="0" summary=