Add field nested_sites to AllocationSite.

src/objects-printer.cc

Index: src/objects-printer.cc
diff --git a/src/objects-printer.cc b/src/objects-printer.cc
index 26a709848ef1ad53977aa3cb1ef29eb2d06110a8..7d656aef8cc2cffd0a73e8190125e73a157f1582 100644
--- a/src/objects-printer.cc
+++ b/src/objects-printer.cc
@@ -1103,6 +1103,15 @@ void AllocationSite::AllocationSitePrint(FILE* out) {
   PrintF(out, "\n - dependent code: ");
   dependent_code()->ShortPrint(out);
 
+  // Just print the number of nested sites

[Hannes Payer (out of office), 2013/09/24 08:04:40]

After discussing offline, let's print the nested site pointer and not the number
of nested sites.

[mvstanton, 2013/09/24 08:39:15]

Done.

+  int nested_sites_count = 0;
+  for (Object* current = nested_sites();
+       current != Smi::FromInt(0);
+       current = AllocationSite::cast(current)->nested_sites()) {
+    nested_sites_count++;
+  }
+
+  PrintF(out, "\n - # of nested sites: %d", nested_sites_count);
   PrintF(out, "\n - transition_info: ");
   if (transition_info()->IsCell()) {
     Cell* cell = Cell::cast(transition_info());