ates whether the pointer is known nonzero</p></div></div><div class="odoc-spec"><div class="spec value" id="val-inst_update" class="anchored"><a href="#val-inst_update" class="anchor"></a><code><span><span class="keyword">val</span> inst_update : <span><a href="../../IBase/Location/index.html#type-t">IBase.Location.t</a> <span class="arrow">&#45;&gt;</span></span> <span><a href="../../IR/PredSymb/index.html#type-path_pos">IR.PredSymb.path_pos</a> <span class="arrow">&#45;&gt;</span></span> <a href="#type-in