src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp

@@ -1334,14 +1334,13 @@
     if (u != lb && u->is_LoadBarrier() && u->as_LoadBarrier()->has_true_uses()) {
       Node* this_ctrl = lb->in(LoadBarrierNode::Control);
       Node* other_ctrl = u->in(LoadBarrierNode::Control);
 
       Node* lca = phase->dom_lca(this_ctrl, other_ctrl);
-      bool ok = true;
-
       Node* proj1 = NULL;
       Node* proj2 = NULL;
+      bool ok = (lb->in(LoadBarrierNode::Address) == u->in(LoadBarrierNode::Address));
 
       while (this_ctrl != lca && ok) {
         if (this_ctrl->in(0) != NULL &&
             this_ctrl->in(0)->is_MultiBranch()) {
           if (this_ctrl->in(0)->in(0) == lca) {