--- old/src/hotspot/share/gc/z/zHeap.hpp	2020-08-03 22:37:07.203638140 +0800
+++ new/src/hotspot/share/gc/z/zHeap.hpp	2020-08-03 22:37:07.043638494 +0800
@@ -98,6 +98,7 @@
   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();