--- old/src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp	2020-08-05 21:29:31.557604501 +0800
+++ new/src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp	2020-08-05 21:29:31.237604489 +0800
@@ -209,6 +209,8 @@
   WorkGang* get_safepoint_workers();
 
   void gc_threads_do(ThreadClosure* tcl) const;
+  // Runs the given AbstractGangTask with the current active workers.
+  virtual void run_task(AbstractGangTask* task);
 
 // ---------- Heap regions handling machinery
 //
@@ -617,10 +619,6 @@
   void tlabs_retire(bool resize);
   void gclabs_retire(bool resize);
 
-  // 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
 //
 private: