--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.graph/src/org/graalvm/compiler/graph/Node.java	Mon Nov 06 14:12:37 2017 -0500
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.graph/src/org/graalvm/compiler/graph/Node.java	Mon Nov 06 20:29:49 2017 -0800
@@ -752,7 +752,7 @@
             assert !graph.isFrozen();
             NodeEventListener listener = graph.nodeEventListener;
             if (listener != null) {
-                listener.inputChanged(node);
+                listener.event(Graph.NodeEvent.INPUT_CHANGED, node);
             }
         }
     }
@@ -762,7 +762,7 @@
             assert !graph.isFrozen();
             NodeEventListener listener = graph.nodeEventListener;
             if (listener != null && node.isAlive()) {
-                listener.usagesDroppedToZero(node);
+                listener.event(Graph.NodeEvent.ZERO_USAGES, node);
             }
         }
     }