src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/ComputeObjectAddressNode.java

*** 28,37 ****
--- 28,38 ----
  
  import org.graalvm.compiler.core.common.type.StampFactory;
  import org.graalvm.compiler.graph.NodeClass;
  import org.graalvm.compiler.nodeinfo.NodeInfo;
  import org.graalvm.compiler.nodeinfo.NodeSize;
+ import org.graalvm.compiler.nodes.calc.SignExtendNode;
  import org.graalvm.compiler.nodes.debug.ControlFlowAnchored;
  import org.graalvm.compiler.nodes.spi.Lowerable;
  import org.graalvm.compiler.nodes.spi.LoweringTool;
  
  import jdk.vm.ci.meta.JavaKind;
*** 48,58 ****
      @Input ValueNode offset;
  
      public ComputeObjectAddressNode(ValueNode obj, ValueNode offset) {
          super(TYPE, StampFactory.forKind(JavaKind.Long));
          this.object = obj;
!         this.offset = offset;
      }
  
      @NodeIntrinsic
      public static native long get(Object array, long offset);
  
--- 49,59 ----
      @Input ValueNode offset;
  
      public ComputeObjectAddressNode(ValueNode obj, ValueNode offset) {
          super(TYPE, StampFactory.forKind(JavaKind.Long));
          this.object = obj;
!         this.offset = SignExtendNode.create(offset, 64, NodeView.DEFAULT);
      }
  
      @NodeIntrinsic
      public static native long get(Object array, long offset);