Correct handling of arrays with callbacks in the prototype chain.

src/objects-printer.cc

Index: src/objects-printer.cc
diff --git a/src/objects-printer.cc b/src/objects-printer.cc
index 60c1ef4c38e2c21d7a4d52799dc82744def79055..6eaf09b2bbea52e6bb212cccde350b98f5778d8e 100644
--- a/src/objects-printer.cc
+++ b/src/objects-printer.cc
@@ -555,6 +555,9 @@ void Map::MapPrint(FILE* out) {
   if (is_access_check_needed()) {
     PrintF(out, " - access_check_needed\n");
   }
+  if (has_element_callbacks()) {
+    PrintF(out, " - has_element_callbacks\n");
+  }
   PrintF(out, " - back pointer: ");
   GetBackPointer()->ShortPrint(out);
   PrintF(out, "\n - instance descriptors %s#%i: ",