Make the GC aware of JSReceiver pointers in LookupResults.

src/property.cc

 // 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 13 matching lines @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 
 namespace v8 {
 namespace internal {
 
 
+void LookupResult::Iterate(ObjectVisitor* visitor) {
+  LookupResult* current = this;  // Could be NULL.
+  while (current != NULL) {
+    visitor->VisitPointer(BitCast<Object**>(&current->holder_));
+    current = current->next_;
+  }
+}
+
+
 #ifdef OBJECT_PRINT
 void LookupResult::Print(FILE* out) {
   if (!IsFound()) {
     PrintF(out, "Not Found\n");
     return;
   }
 
   PrintF(out, "LookupResult:\n");
   PrintF(out, " -cacheable = %s\n", IsCacheable() ? "true" : "false");
   PrintF(out, " -attributes = %x\n", GetAttributes());
@@ skipping 52 matching lines @@
   PrintF(out, " @ ");
   GetValue()->ShortPrint(out);
   PrintF(out, " %d\n", GetDetails().index());
 }
 
 
 #endif
 
 
 } }  // namespace v8::internal