al-remove_dead_vars" class="anchored"><a href="#val-remove_dead_vars" class="anchor"></a><code><span><span class="keyword">val</span> remove_dead_vars : <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span> <span><span><a href="../../IR/Var/index.html#type-t">IR.Var.t</a> list</span> <span class="arrow">&#45;&gt;</span></span> <a href="#type-t">t</a></span></code></div></div><div class="odoc-spec"><div class="spec value" id="val-fold_critical_pairs_of_summary" class="anchored"><a href="#