diff -r 9e968a576dd2 -r d193d58ae79d src/hotspot/share/runtime/thread.cpp
--- a/src/hotspot/share/runtime/thread.cpp	Tue Jan 15 15:56:41 2019 -0500
+++ b/src/hotspot/share/runtime/thread.cpp	Tue Jan 15 16:40:31 2019 -0500
@@ -1671,6 +1671,8 @@
     SafepointMechanism::initialize_header(this);
   }
 
+  _class_to_be_initialized = NULL;
+
   pd_initialize();
 }