--- old/src/share/vm/logging/logTag.hpp	Mon Jul 31 10:00:12 2017
+++ new/src/share/vm/logging/logTag.hpp	Mon Jul 31 10:00:11 2017
@@ -142,6 +142,7 @@
   LOG_TAG(verification) \
   LOG_TAG(verify) \
   LOG_TAG(vmoperation) \
+  LOG_TAG(vmthread) \
   LOG_TAG(vtables) \
   LOG_TAG(workgang) \
   LOG_TAG_LIST_EXT