Promoting elements transitions to their own field.

src/objects-printer.cc

Index: src/objects-printer.cc
diff --git a/src/objects-printer.cc b/src/objects-printer.cc
index 3aea5f0aacf9c9b143fe0f679ee7a1df81d9eb00..031a82d9426fdeb9e1fd8fdfb5417674b651a035 100644
--- a/src/objects-printer.cc
+++ b/src/objects-printer.cc
@@ -273,25 +273,6 @@ void JSObject::PrintProperties(FILE* out) {
           descs->GetCallbacksObject(i)->ShortPrint(out);
           PrintF(out, " (callback)\n");
           break;

[danno, 2012/06/01 13:49:55]

Please add a printer for the transition map in the descriptor array so that it's
possible to output this information.

[Toon Verwaest, 2012/06/04 09:17:48]

Done.

-        case ELEMENTS_TRANSITION: {
-          PrintF(out, "(elements transition to ");
-          Object* descriptor_contents = descs->GetValue(i);
-          if (descriptor_contents->IsMap()) {
-            Map* map = Map::cast(descriptor_contents);
-            PrintElementsKind(out, map->elements_kind());
-          } else {
-            FixedArray* map_array = FixedArray::cast(descriptor_contents);
-            for (int i = 0; i < map_array->length(); ++i) {
-              Map* map = Map::cast(map_array->get(i));
-              if (i != 0) {
-                PrintF(out, ", ");
-              }
-              PrintElementsKind(out, map->elements_kind());
-            }
-          }
-          PrintF(out, ")\n");
-          break;
-        }
         case MAP_TRANSITION:
           PrintF(out, "(map transition)\n");
           break;