Added missing property types to debug print.

src/objects-debug.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 263 matching lines @@
         FastPropertyAt(r.GetFieldIndex())->ShortPrint();
         PrintF(" (field at offset %d)\n", r.GetFieldIndex());
       } else if (r.type() ==  CONSTANT_FUNCTION) {
         r.GetConstantFunction()->ShortPrint();
         PrintF(" (constant function)\n");
       } else if (r.type() == CALLBACKS) {
         r.GetCallbacksObject()->ShortPrint();
         PrintF(" (callback)\n");
       } else if (r.type() == MAP_TRANSITION) {
         PrintF(" (map transition)\n");
+      } else if (r.type() == CONSTANT_TRANSITION) {
+        PrintF(" (constant transition)\n");
+      } else if (r.type() == NULL_DESCRIPTOR) {
+        PrintF(" (null descriptor)\n");
       } else {
         UNREACHABLE();
       }
     }
   } else {
     property_dictionary()->Print();
   }
 }
 
 
@@ skipping 765 matching lines @@
     }
     current = hash;
   }
   return true;
 }
 
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal