@Override protected boolean checkLowTierGraph(StructuredGraph graph) { for (ConstantNode constantNode : graph.getNodes().filter(ConstantNode.class)) { assert constantNode.asJavaConstant() == null || constantNode.asJavaConstant().getJavaKind() != JavaKind.Object || constantNode.asJavaConstant().isDefaultForKind() : "Found unexpected object constant " + constantNode + ", this should have been removed by the LoadJavaMirrorWithKlassPhase."; } return true; }