--- old/src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp	2020-08-11 10:12:12.218095469 +0800
+++ new/src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp	2020-08-11 10:12:12.058096323 +0800
@@ -1195,6 +1195,10 @@
   }
 }
 
+void ShenandoahHeap::run_task(AbstractGangTask* task) {
+  workers()->run_task(task, workers()->active_workers());
+}
+
 void ShenandoahHeap::print_tracing_info() const {
   LogTarget(Info, gc, stats) lt;
   if (lt.is_enabled()) {