src/java.base/share/classes/java/util/concurrent/RecursiveAction.java

*** 164,173 ****
--- 164,178 ----
   */
  public abstract class RecursiveAction extends ForkJoinTask<Void> {
      private static final long serialVersionUID = 5232453952276485070L;
  
      /**
+      * Constructor for subclasses to call.
+      */
+     public RecursiveAction() {}
+ 
+     /**
       * The main computation performed by this task.
       */
      protected abstract void compute();
  
      /**