Property reconfiguring implemented. Tests added.

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 40 matching lines @@
 }
 
 
 PropertyDetails PropertyDetails::AsDeleted() const {
   Smi* smi = Smi::FromInt(value_ | DeletedField::encode(1));
   return PropertyDetails(smi);
 }
 
 
 int PropertyDetails::field_width_in_words() const {
-  DCHECK(type() == DATA);
+  DCHECK(location() == kField);
   if (!FLAG_unbox_double_fields) return 1;
   if (kDoubleSize == kPointerSize) return 1;
   return representation().IsDouble() ? kDoubleSize / kPointerSize : 1;
 }
 
 
 #define TYPE_CHECKER(type, instancetype)                                \
   bool Object::Is##type() const {                                       \
   return Object::IsHeapObject() &&                                      \
       HeapObject::cast(this)->map()->instance_type() == instancetype;   \
@@ skipping 3061 matching lines @@
   return PropertyDetails(Smi::cast(details));
 }
 
 
 PropertyType DescriptorArray::GetType(int descriptor_number) {
   return GetDetails(descriptor_number).type();
 }
 
 
 int DescriptorArray::GetFieldIndex(int descriptor_number) {
-  DCHECK(GetDetails(descriptor_number).type() == DATA);
+  DCHECK(GetDetails(descriptor_number).location() == kField);
   return GetDetails(descriptor_number).field_index();
 }
 
 
 HeapType* DescriptorArray::GetFieldType(int descriptor_number) {
-  DCHECK(GetDetails(descriptor_number).type() == DATA);
+  DCHECK(GetDetails(descriptor_number).location() == kField);
   return HeapType::cast(GetValue(descriptor_number));
 }
 
 
 Object* DescriptorArray::GetConstant(int descriptor_number) {
   return GetValue(descriptor_number);
 }
 
 
 Object* DescriptorArray::GetCallbacksObject(int descriptor_number) {
@@ skipping 4433 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_