--- old/src/hotspot/share/runtime/arguments.cpp	2018-09-20 18:09:15.359386032 -0700
+++ new/src/hotspot/share/runtime/arguments.cpp	2018-09-20 18:09:15.151386040 -0700
@@ -542,6 +542,7 @@
   { "CreateMinidumpOnCrash",        JDK_Version::jdk(9),  JDK_Version::undefined(), JDK_Version::undefined() },
   { "MustCallLoadClassInternal",    JDK_Version::jdk(10), JDK_Version::jdk(11), JDK_Version::jdk(12) },
   { "UnsyncloadClass",              JDK_Version::jdk(10), JDK_Version::jdk(11), JDK_Version::jdk(12) },
+  { "TLABStats",                    JDK_Version::jdk(12), JDK_Version::undefined(), JDK_Version::undefined() },
 
   // -------------- Obsolete Flags - sorted by expired_in --------------
   { "CheckAssertionStatusDirectives",JDK_Version::undefined(), JDK_Version::jdk(11), JDK_Version::jdk(12) },