pan class='number'>1</span>;

    <span class='comment'>// y and z are now live, but x isn&#39;t</span>
    <span class='op'>*</span><span class='ident'>y</span> <span class='op'>=</span> <span class='number'>3</span>;
    <span class='op'>*</span><span class='ident'>z</span> <span class='op'>=</span> <span class='number'>4</span>;
}
<span class='comment'>// y and z go out of scope, so x is live again</span>
<span class='op'>*</span><span class='ident'>x</span> <span class='op'>=</span> (<span class='number