--- old/src/hotspot/share/gc/shared/concurrentGCThread.cpp	2018-12-20 23:35:09.270764311 -0500
+++ new/src/hotspot/share/gc/shared/concurrentGCThread.cpp	2018-12-20 23:35:07.434659397 -0500
@@ -49,7 +49,6 @@
 }
 
 void ConcurrentGCThread::initialize_in_thread() {
-  this->initialize_named_thread();
   this->set_active_handles(JNIHandleBlock::allocate_block());
   // From this time Thread::current() should be working.
   assert(this == Thread::current(), "just checking");