*** old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64HotSpotLIRKindTool.java	Wed Dec 13 08:52:31 2017
--- new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64HotSpotLIRKindTool.java	Wed Dec 13 08:52:30 2017

*** 20,37 ****
--- 20,38 ----
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  package org.graalvm.compiler.hotspot.amd64;
  
  import jdk.vm.ci.amd64.AMD64Kind;
  import org.graalvm.compiler.core.amd64.AMD64LIRKindTool;
  import org.graalvm.compiler.core.common.LIRKind;
  
+ import jdk.vm.ci.amd64.AMD64Kind;
+ 
  public class AMD64HotSpotLIRKindTool extends AMD64LIRKindTool {
      @Override
      public LIRKind getNarrowOopKind() {
!         return LIRKind.reference(AMD64Kind.DWORD);
!         return LIRKind.compressedReference(AMD64Kind.DWORD);
      }
  
      @Override
      public LIRKind getNarrowPointerKind() {
          return LIRKind.value(AMD64Kind.DWORD);