src/share/vm/memory/universe.cpp

*** 871,884 ****
        return "Zero based";
      case DisjointBaseNarrowOop:
        return "Non-zero disjoint base";
      case HeapBasedNarrowOop:
        return "Non-zero based";
!   }
! 
    ShouldNotReachHere();
    return "";
  }
  
  
  Universe::NARROW_OOP_MODE Universe::narrow_oop_mode() {
    if (narrow_oop_base_disjoint()) {
--- 871,884 ----
        return "Zero based";
      case DisjointBaseNarrowOop:
        return "Non-zero disjoint base";
      case HeapBasedNarrowOop:
        return "Non-zero based";
!     default:
        ShouldNotReachHere();
        return "";
+   }
  }
  
  
  Universe::NARROW_OOP_MODE Universe::narrow_oop_mode() {
    if (narrow_oop_base_disjoint()) {