src/cpu/x86/vm/stubGenerator_x86_64.cpp

@@ -1218,10 +1218,11 @@
         }
          break;
       case BarrierSet::CardTableForRS:
       case BarrierSet::CardTableExtension:
       case BarrierSet::ModRef:
+      case BarrierSet::Epsilon:
         break;
       default:
         ShouldNotReachHere();
 
     }

@@ -1279,10 +1280,13 @@
           __ movb(Address(start, count, Address::times_1), 0);
           __ decrement(count);
           __ jcc(Assembler::greaterEqual, L_loop);
         }
         break;
+      case BarrierSet::Epsilon:
+        // TODO: why are we here at all?
+        break;
       default:
         ShouldNotReachHere();
 
     }
   }