src/cpu/x86/vm/stubGenerator_x86_64.cpp

*** 1218,1227 ****
--- 1218,1228 ----
          }
           break;
        case BarrierSet::CardTableForRS:
        case BarrierSet::CardTableExtension:
        case BarrierSet::ModRef:
+       case BarrierSet::Epsilon:
          break;
        default:
          ShouldNotReachHere();
  
      }
*** 1279,1288 ****
--- 1280,1292 ----
            __ 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();
  
      }
    }