Add field nested_sites to AllocationSite.

src/objects-printer.cc

 // Copyright 2012 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 1085 matching lines @@
 }
 
 
 void AllocationSite::AllocationSitePrint(FILE* out) {
   HeapObject::PrintHeader(out, "AllocationSite");
   PrintF(out, " - weak_next: ");
   weak_next()->ShortPrint(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());
     Object* cell_contents = cell->value();
     if (cell_contents->IsSmi()) {
       ElementsKind kind = static_cast<ElementsKind>(
           Smi::cast(cell_contents)->value());
       PrintF(out, "Array allocation with ElementsKind ");
       PrintElementsKind(out, kind);
       PrintF(out, "\n");
@@ skipping 119 matching lines @@
     }
   }
   PrintF(out, "\n");
 }
 
 
 #endif  // OBJECT_PRINT
 
 
 } }  // namespace v8::internal