@Override
 public void createVirtualObject(
     VirtualObjectNode virtualObject, ValueNode[] entryState, int[] locks) {
   VirtualUtil.trace("{{%s}} ", current);
   if (virtualObject.isAlive()) {
     state.addAndMarkAlias(virtualObject, virtualObject, usages);
   } else {
     effects.addFloatingNode(virtualObject, "newVirtualObject");
   }
   for (int i = 0; i < entryState.length; i++) {
     entryState[i] = state.getScalarAlias(entryState[i]);
   }
   state.addObject(
       virtualObject, new ObjectState(virtualObject, entryState, EscapeState.Virtual, locks));
   state.addAndMarkAlias(virtualObject, virtualObject, usages);
   PartialEscapeClosure.METRIC_ALLOCATION_REMOVED.increment();
 }
 @Override
 public void replaceWithVirtual(VirtualObjectNode virtual) {
   state.addAndMarkAlias(virtual, current, usages);
   if (current instanceof FixedWithNextNode) {
     effects.deleteFixedNode((FixedWithNextNode) current);
   }
   deleted = true;
 }