--- old/src/share/vm/utilities/vmError.cpp	2017-03-12 11:11:20.062845757 +0100
+++ new/src/share/vm/utilities/vmError.cpp	2017-03-12 11:11:20.006845967 +0100
@@ -247,6 +247,7 @@
   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";
 }