src/java.base/share/classes/jdk/internal/ref/PhantomCleanable.java

*** 61,72 ****
       *
       * @param referent the referent to track
       * @param cleaner  the {@code Cleaner} to register with
       */
      public PhantomCleanable(T referent, Cleaner cleaner) {
!         super(Objects.requireNonNull(referent), CleanerImpl.getCleanerImpl(cleaner).queue);
!         this.list = CleanerImpl.getCleanerImpl(cleaner).phantomCleanableList;
          insert();
  
          // Ensure referent and cleaner remain accessible
          Reference.reachabilityFence(referent);
          Reference.reachabilityFence(cleaner);
--- 61,72 ----
       *
       * @param referent the referent to track
       * @param cleaner  the {@code Cleaner} to register with
       */
      public PhantomCleanable(T referent, Cleaner cleaner) {
!         super(Objects.requireNonNull(referent), ((CleanerImpl)cleaner).queue());
!         this.list = ((CleanerImpl)cleaner).phantomCleanableList();
          insert();
  
          // Ensure referent and cleaner remain accessible
          Reference.reachabilityFence(referent);
          Reference.reachabilityFence(cleaner);