--- old/src/hotspot/share/runtime/thread.cpp	2020-01-16 03:31:08.183546612 +0000
+++ new/src/hotspot/share/runtime/thread.cpp	2020-01-16 03:31:06.617509169 +0000
@@ -1706,6 +1706,7 @@
   _SleepEvent = ParkEvent::Allocate(this);
   // Setup safepoint state info for this thread
   ThreadSafepointState::create(this);
+  _handshake.set_thread(this);
 
   debug_only(_java_call_counter = 0);