diff -r c545e449137c -r a129f10e1b9a src/hotspot/share/runtime/arguments.cpp
--- a/src/hotspot/share/runtime/arguments.cpp	Thu Nov 14 17:34:45 2019 -0800
+++ b/src/hotspot/share/runtime/arguments.cpp	Fri Nov 15 16:58:29 2019 -0500
@@ -619,6 +619,7 @@
   { "ResizeOldPLAB",                           JDK_Version::undefined(), JDK_Version::jdk(14), JDK_Version::jdk(15) },
   { "UseCMSBestFit",                           JDK_Version::undefined(), JDK_Version::jdk(14), JDK_Version::jdk(15) },
   { "UseCMSInitiatingOccupancyOnly",           JDK_Version::undefined(), JDK_Version::jdk(14), JDK_Version::jdk(15) },
+  { "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) },