src/java.base/share/classes/java/util/ArraysParallelSortHelpers.java

*** 113,124 ****
      /** Object + Comparator support class */
      static final class FJObject {
          static final class Sorter<T> extends CountedCompleter<Void> {
              @java.io.Serial
              static final long serialVersionUID = 2446542900576103244L;
!             final T[] a, w;
              final int base, size, wbase, gran;
              Comparator<? super T> comparator;
              Sorter(CountedCompleter<?> par, T[] a, T[] w, int base, int size,
                     int wbase, int gran,
                     Comparator<? super T> comparator) {
                  super(par);
--- 113,128 ----
      /** Object + Comparator support class */
      static final class FJObject {
          static final class Sorter<T> extends CountedCompleter<Void> {
              @java.io.Serial
              static final long serialVersionUID = 2446542900576103244L;
!             @SuppressWarnings("serial") // Not statically typed as Serializable
!             final T[] a;
!             @SuppressWarnings("serial") // Not statically typed as Serializable
!             final T[] w;
              final int base, size, wbase, gran;
+             @SuppressWarnings("serial") // Not statically typed as Serializable
              Comparator<? super T> comparator;
              Sorter(CountedCompleter<?> par, T[] a, T[] w, int base, int size,
                     int wbase, int gran,
                     Comparator<? super T> comparator) {
                  super(par);
*** 151,162 ****
          }
  
          static final class Merger<T> extends CountedCompleter<Void> {
              @java.io.Serial
              static final long serialVersionUID = 2446542900576103244L;
!             final T[] a, w; // main and workspace arrays
              final int lbase, lsize, rbase, rsize, wbase, gran;
              Comparator<? super T> comparator;
              Merger(CountedCompleter<?> par, T[] a, T[] w,
                     int lbase, int lsize, int rbase,
                     int rsize, int wbase, int gran,
                     Comparator<? super T> comparator) {
--- 155,171 ----
          }
  
          static final class Merger<T> extends CountedCompleter<Void> {
              @java.io.Serial
              static final long serialVersionUID = 2446542900576103244L;
!              // main and workspace arrays
!             @SuppressWarnings("serial") // Not statically typed as Serializable
!             final T[] a;
!             @SuppressWarnings("serial") // Not statically typed as Serializable
!             final T[] w;
              final int lbase, lsize, rbase, rsize, wbase, gran;
+             @SuppressWarnings("serial") // Not statically typed as Serializable
              Comparator<? super T> comparator;
              Merger(CountedCompleter<?> par, T[] a, T[] w,
                     int lbase, int lsize, int rbase,
                     int rsize, int wbase, int gran,
                     Comparator<? super T> comparator) {