Add elements kind to maps debugging output

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/7966019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9410 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/objects-printer.cc

@@ -532,7 +532,9 @@ void Map::MapPrint(FILE* out) {
   PrintF(out, " - type: %s\n", TypeToString(instance_type()));
   PrintF(out, " - instance size: %d\n", instance_size());
   PrintF(out, " - inobject properties: %d\n", inobject_properties());
-  PrintF(out, " - pre-allocated property fields: %d\n",
+  PrintF(out, " - elements kind: ");
+  PrintElementsKind(out, elements_kind());
+  PrintF(out, "\n - pre-allocated property fields: %d\n",
       pre_allocated_property_fields());
   PrintF(out, " - unused property fields: %d\n", unused_property_fields());
   if (is_hidden_prototype()) {