src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/meta/HotSpotWordOperationPlugin.java

*** 119,129 ****
              case IS_NULL:
                  assert args.length == 1;
                  ValueNode pointer = args[0];
                  assert pointer.stamp(NodeView.DEFAULT) instanceof MetaspacePointerStamp;
  
!                 LogicNode isNull = b.addWithInputs(IsNullNode.create(pointer));
                  b.addPush(returnKind, ConditionalNode.create(isNull, b.add(forBoolean(true)), b.add(forBoolean(false)), NodeView.DEFAULT));
                  break;
  
              case FROM_POINTER:
                  assert args.length == 1;
--- 119,129 ----
              case IS_NULL:
                  assert args.length == 1;
                  ValueNode pointer = args[0];
                  assert pointer.stamp(NodeView.DEFAULT) instanceof MetaspacePointerStamp;
  
!                 LogicNode isNull = b.add(IsNullNode.create(pointer));
                  b.addPush(returnKind, ConditionalNode.create(isNull, b.add(forBoolean(true)), b.add(forBoolean(false)), NodeView.DEFAULT));
                  break;
  
              case FROM_POINTER:
                  assert args.length == 1;