diff -r efc3f91dbe42 -r 3bf7c007883d src/Reference.cpp
--- a/src/Reference.cpp	Sun Aug 05 02:17:40 2012 -0700
+++ b/src/Reference.cpp	Sun Aug 05 12:55:51 2012 -0700
@@ -18,6 +18,7 @@
 #include "Reference.h"
 #include "Zone.h"
 #include "Array.h"
+#include "Structures.h"
 #include "Heap-inl.h"
 
 using namespace ke;
@@ -30,6 +31,7 @@
         return NULL;
 
     ref->location_ = location;
+    ref->base_ = NULL;
     return ref;
 }
 
@@ -42,6 +44,7 @@
 
     ref->location_ = &ref->slot_;
     ref->slot_ = slot;
+    ref->base_ = NULL;
     return ref;
 }
 
@@ -56,3 +59,17 @@
     ref->base_ = base;
     return ref;
 }
+
+Reference *
+Reference::NewField(Zone *zone, Handle<Struct> obj, size_t index, Heap::Tenure tenure)
+{
+    Local<Reference> ref(zone, Reference::cast(zone->allocate(MapKind_Reference, sizeof(Reference), tenure)));
+    if (!ref)
+        return NULL;
+
+    Descriptor *desc = Descriptor::cast(obj->map()->type()->fields()->at(index));
+    ref->location_ = obj->ref(desc);
+    ref->base_ = obj;
+    return ref;
+}
+