1.1 --- a/src/Reference.h	Sun Aug 05 02:17:40 2012 -0700
     1.2 +++ b/src/Reference.h	Sun Aug 05 12:55:51 2012 -0700
     1.3 @@ -25,18 +25,23 @@
     1.4  namespace ke {
     1.5  
     1.6  class Array;
     1.7 +class Struct;
     1.8  
     1.9  // A Reference is a typed pointer to another location in memory.
    1.10  class Reference : public Object
    1.11  {
    1.12      void *location_;
    1.13 +    Barriered<Object> base_;
    1.14 +
    1.15 +    // We do not compute references to objects, so this does not need to be
    1.16 +    // traced.
    1.17      LocalSlot slot_;
    1.18 -    Barriered<Array> base_;
    1.19  
    1.20    public:
    1.21      static Reference *NewStack(Zone *zone, void *location, Heap::Tenure tenure = Heap::Tenure_Default);
    1.22      static Reference *NewStack(Zone *zone, const LocalSlot &slot, Heap::Tenure tenure = Heap::Tenure_Default);
    1.23      static Reference *NewArray(Zone *zone, Handle<Array> base, size_t index, Heap::Tenure tenure = Heap::Tenure_Default);
    1.24 +    static Reference *NewField(Zone *zone, Handle<Struct> obj, size_t index, Heap::Tenure tenure = Heap::Tenure_Default);
    1.25  
    1.26      int getInt() {
    1.27          return *reinterpret_cast<int *>(location_);