eallocate and initialize everything reachable from the address, then havoc all the edges starting from the address passing <code>havoc_filter</code> (by default everything passes the filter)</p></div></div><div class="odoc-spec"><div class="spec value" id="val-is_local" class="anchored"><a href="#val-is_local" class="anchor"></a><code><span><span class="keyword">val</span> is_local : <span><a href="../../IR/Var/index.html#type-t">IR.Var.t</a> <span class="arrow">&#45;&gt;</span></span> <span><a href="#type-