src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/replacements/IdentityHashCodeNode.java

*** 65,75 ****
      @Override
      public Node canonical(CanonicalizerTool tool) {
          if (object.isConstant()) {
              assert object.stamp() instanceof AbstractObjectStamp;
              JavaConstant c = (JavaConstant) object.asConstant();
!             if (ImmutableCode.getValue(getOptions())) {
                  return this;
              }
              JavaConstant identityHashCode = null;
              if (c.isNull()) {
                  identityHashCode = JavaConstant.forInt(0);
--- 65,75 ----
      @Override
      public Node canonical(CanonicalizerTool tool) {
          if (object.isConstant()) {
              assert object.stamp() instanceof AbstractObjectStamp;
              JavaConstant c = (JavaConstant) object.asConstant();
!             if (ImmutableCode.getValue(tool.getOptions())) {
                  return this;
              }
              JavaConstant identityHashCode = null;
              if (c.isNull()) {
                  identityHashCode = JavaConstant.forInt(0);