--- old/src/hotspot/share/gc/z/zHeap.hpp 2020-07-29 15:26:49.535931438 +0800 +++ new/src/hotspot/share/gc/z/zHeap.hpp 2020-07-29 15:26:49.247931427 +0800 @@ -100,6 +100,7 @@ void set_boost_worker_threads(bool boost); void threads_do(ThreadClosure* tc) const; + void run_task(AbstractGangTask* task); // Reference processing ReferenceDiscoverer* reference_discoverer(); void set_soft_reference_policy(bool clear);