src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases/src/org/graalvm/compiler/phases/schedule/SchedulePhase.java

*** 107,117 ****
  
      private NodeEventScope verifyImmutableGraph(StructuredGraph graph) {
          if (immutableGraph && Assertions.assertionsEnabled()) {
              return graph.trackNodeEvents(new NodeEventListener() {
                  @Override
!                 public void event(NodeEvent e, Node node) {
                      assert false : "graph changed: " + e + " on node " + node;
                  }
              });
          } else {
              return null;
--- 107,117 ----
  
      private NodeEventScope verifyImmutableGraph(StructuredGraph graph) {
          if (immutableGraph && Assertions.assertionsEnabled()) {
              return graph.trackNodeEvents(new NodeEventListener() {
                  @Override
!                 public void changed(NodeEvent e, Node node) {
                      assert false : "graph changed: " + e + " on node " + node;
                  }
              });
          } else {
              return null;