--- old/src/hotspot/share/gc/parallel/parallelScavengeHeap.hpp	2020-07-22 15:42:03.000000000 -0700
+++ new/src/hotspot/share/gc/parallel/parallelScavengeHeap.hpp	2020-07-22 15:42:03.000000000 -0700
@@ -259,6 +259,9 @@
   WorkGang& workers() {
     return _workers;
   }
+
+  // Runs the given AbstractGangTask with the current active workers.
+  virtual void run_task(AbstractGangTask* task);
 };
 
 // Class that can be used to print information about the