--- old/src/hotspot/share/gc/z/zHeap.hpp	2020-08-05 21:29:32.361604529 +0800
+++ new/src/hotspot/share/gc/z/zHeap.hpp	2020-08-05 21:29:32.061604519 +0800
@@ -98,8 +98,8 @@
   uint nconcurrent_no_boost_worker_threads() const;
   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);