--- a/src/hotspot/share/utilities/vmError.cpp	Mon Oct 30 21:23:10 2017 +0100
+++ b/src/hotspot/share/utilities/vmError.cpp	Mon Nov 06 18:53:38 2017 +0100
@@ -306,6 +306,7 @@
   if (UseParallelGC)      return "parallel gc";
   if (UseConcMarkSweepGC) return "concurrent mark sweep gc";
   if (UseSerialGC)        return "serial gc";
+  if (UseEpsilonGC)       return "epsilon gc";
   return "ERROR in GC mode";
 }