--- a/src/hotspot/share/runtime/arguments.cpp	Thu Oct 10 17:36:38 2019 +0300
+++ b/src/hotspot/share/runtime/arguments.cpp	Mon Nov 25 08:11:24 2019 +0100
@@ -622,6 +622,7 @@
   { "GCLockerInvokesConcurrent",     JDK_Version::undefined(), JDK_Version::jdk(14), JDK_Version::jdk(15) },
   { "BindGCTaskThreadsToCPUs",       JDK_Version::undefined(), JDK_Version::jdk(14), JDK_Version::jdk(16) },
   { "UseGCTaskAffinity",             JDK_Version::undefined(), JDK_Version::jdk(14), JDK_Version::jdk(16) },
+  { "GCTaskTimeStampEntries",        JDK_Version::undefined(), JDK_Version::jdk(14), JDK_Version::jdk(16) },
 
 #ifdef TEST_VERIFY_SPECIAL_JVM_FLAGS
   // These entries will generate build errors.  Their purpose is to test the macros.