--- old/src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp	2020-04-27 10:19:44.303324835 +0200
+++ new/src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp	2020-04-27 10:19:44.119321840 +0200
@@ -616,9 +616,9 @@
   void ensure_parsability(bool retire_tlabs);
   void make_parsable(bool retire_tlabs);
 
-  // Runs the given AbstractGangTask with the current active workers, returning the
-  // total time taken.
-  virtual Tickspan run_task(AbstractGangTask* task);
+  // Runs the given AbstractGangTask with the current active workers.
+  // Returns the total time to run the task.
+  virtual void run_task(AbstractGangTask* task);
 
 // ---------- Marking support
 //