AllocationSite objects weakly linked for traversal

src/objects-visiting-inl.h

Index: src/objects-visiting-inl.h
diff --git a/src/objects-visiting-inl.h b/src/objects-visiting-inl.h
index 612f937bc26fb8ab86248c606e28c2d4a346b8af..f118fab4f0dedcbdc7116759de801ef19e22ea21 100644
--- a/src/objects-visiting-inl.h
+++ b/src/objects-visiting-inl.h
@@ -234,6 +234,8 @@ void StaticMarkingVisitor<StaticVisitor>::Initialize() {
   table_.template RegisterSpecializations<StructObjectVisitor,
                                           kVisitStruct,
                                           kVisitStructGeneric>();
+
+  table_.Register(kVisitAllocationSite, &VisitAllocationSite);

[Michael Starzinger, 2013/07/16 18:14:46]

nit: Move the registration of this visitor up to after kVisitNativeContext for
consistency.

[mvstanton, 2013/07/16 19:34:57]

Done.

 }
 
 
@@ -333,6 +335,15 @@ void StaticMarkingVisitor<StaticVisitor>::VisitNativeContext(
 
 
 template<typename StaticVisitor>
+void StaticMarkingVisitor<StaticVisitor>::VisitAllocationSite(

[Michael Starzinger, 2013/07/16 18:14:46]

Having this separate visitor function is obsolete, we can register the
FixedBodyVisitor directly while initializing.

[mvstanton, 2013/07/16 19:34:57]

Done.

+    Map* map, HeapObject* object) {
+  FixedBodyVisitor<StaticVisitor,
+                   AllocationSite::BodyDescriptor,
+                   void>::Visit(map, object);
+}
+
+
+template<typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::VisitMap(
     Map* map, HeapObject* object) {
   Heap* heap = map->GetHeap();