diff -r f6641fcf7b7e -r cc2c79d22508 src/hotspot/share/runtime/safepoint.cpp
--- a/src/hotspot/share/runtime/safepoint.cpp	Wed Aug 08 15:31:06 2018 +0200
+++ b/src/hotspot/share/runtime/safepoint.cpp	Wed Aug 08 15:31:07 2018 +0200
@@ -614,8 +614,7 @@
 
 public:
   ParallelSPCleanupThreadClosure(DeflateMonitorCounters* counters) :
-    _counters(counters),
-    _nmethod_cl(NMethodSweeper::prepare_mark_active_nmethods()) {}
+    _nmethod_cl(NMethodSweeper::prepare_mark_active_nmethods()), _counters(counters) {}
 
   void do_thread(Thread* thread) {
     ObjectSynchronizer::deflate_thread_local_monitors(thread, _counters);
@@ -636,9 +635,9 @@
 public:
   ParallelSPCleanupTask(uint num_workers, DeflateMonitorCounters* counters) :
     AbstractGangTask("Parallel Safepoint Cleanup"),
+    _subtasks(SubTasksDone(SafepointSynchronize::SAFEPOINT_CLEANUP_NUM_TASKS)),
     _cleanup_threads_cl(ParallelSPCleanupThreadClosure(counters)),
     _num_workers(num_workers),
-    _subtasks(SubTasksDone(SafepointSynchronize::SAFEPOINT_CLEANUP_NUM_TASKS)),
     _counters(counters) {}
 
   void work(uint worker_id) {