Update gc branch to bleeding_edge revision 8862.

src/objects-visiting.h

 // Copyright 2011 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 88 matching lines @@
     kVisitStruct9,
     kVisitStructGeneric,
 
     kVisitConsString,
     kVisitOddball,
     kVisitCode,
     kVisitMap,
     kVisitPropertyCell,
     kVisitSharedFunctionInfo,
     kVisitJSFunction,
+    kVisitJSWeakMap,
     kVisitJSRegExp,
 
     kVisitorIdCount,
     kMinObjectSizeInWords = 2
   };
 
   // Visitor ID should fit in one byte.
   STATIC_ASSERT(kVisitorIdCount <= 256);
 
   // Determine which specialized visitor should be used for given instance type
@@ skipping 166 matching lines @@
  private:
   static inline int VisitByteArray(Map* map, HeapObject* object) {
     return reinterpret_cast<ByteArray*>(object)->ByteArraySize();
   }
 
   static inline int VisitFixedDoubleArray(Map* map, HeapObject* object) {
     int length = reinterpret_cast<FixedDoubleArray*>(object)->length();
     return FixedDoubleArray::SizeFor(length);
   }
 
+  static inline int VisitJSObject(Map* map, HeapObject* object) {
+    return JSObjectVisitor::Visit(map, object);
+  }
+
   static inline int VisitSeqAsciiString(Map* map, HeapObject* object) {
     return SeqAsciiString::cast(object)->
         SeqAsciiStringSize(map->instance_type());
   }
 
-  static inline int VisitJSRegExp(Map* map, HeapObject* object) {
-    return JSObjectVisitor::Visit(map, object);
-  }
-
   static inline int VisitSeqTwoByteString(Map* map, HeapObject* object) {
     return SeqTwoByteString::cast(object)->
         SeqTwoByteStringSize(map->instance_type());
   }
 
   static inline int VisitFreeSpace(Map* map, HeapObject* object) {
     return FreeSpace::cast(object)->Size();
   }
 
   class DataObjectVisitor {
@@ skipping 23 matching lines @@
 
 
 template<typename StaticVisitor>
 VisitorDispatchTable<typename StaticNewSpaceVisitor<StaticVisitor>::Callback>
   StaticNewSpaceVisitor<StaticVisitor>::table_;
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_VISITING_H_