--- old/src/hotspot/share/gc/shared/gcName.hpp	2018-06-01 22:29:51.237749784 +0200
+++ new/src/hotspot/share/gc/shared/gcName.hpp	2018-06-01 22:29:50.978738604 +0200
@@ -38,6 +38,8 @@
   ConcurrentMarkSweep,
   G1Old,
   G1Full,
+  Z,
+  NA,
   GCNameEndSentinel
 };
 
@@ -55,6 +57,8 @@
       case ConcurrentMarkSweep: return "ConcurrentMarkSweep";
       case G1Old: return "G1Old";
       case G1Full: return "G1Full";
+      case Z: return "Z";
+      case NA: return "N/A";
       default: ShouldNotReachHere(); return NULL;
     }
   }