Handlify Map::CopyDropDescriptors().

src/objects-inl.h

 // 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 4961 matching lines @@
   if (Heap::ShouldZapGarbage() && HasTransitionArray()) {
     ZapTransitions();
   }
 
   WRITE_FIELD(this, kTransitionsOrBackPointerOffset, back_pointer);
   CONDITIONAL_WRITE_BARRIER(
       heap, this, kTransitionsOrBackPointerOffset, back_pointer, mode);
 }
 
 
-void Map::AppendDescriptor(Descriptor* desc,
-                           const DescriptorArray::WhitenessWitness& witness) {
+void Map::AppendDescriptor(Descriptor* desc) {
   DescriptorArray* descriptors = instance_descriptors();
   int number_of_own_descriptors = NumberOfOwnDescriptors();
   ASSERT(descriptors->number_of_descriptors() == number_of_own_descriptors);
-  descriptors->Append(desc, witness);
+  descriptors->Append(desc);
   SetNumberOfOwnDescriptors(number_of_own_descriptors + 1);
 }
 
 
 Object* Map::GetBackPointer() {
   Object* object = READ_FIELD(this, kTransitionsOrBackPointerOffset);
   if (object->IsDescriptorArray()) {
     return TransitionArray::cast(object)->back_pointer_storage();
   } else {
     ASSERT(object->IsMap() || object->IsUndefined());
@@ skipping 2051 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_