--- old/src/hotspot/share/runtime/thread.cpp	2020-01-17 22:48:47.487863483 +0000
+++ new/src/hotspot/share/runtime/thread.cpp	2020-01-17 22:48:46.069829818 +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);