Populate PrototypeInfo with prototype_object value

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 5426 matching lines @@
 ACCESSORS_TO_SMI(AccessorInfo, flag, kFlagOffset)
 ACCESSORS(AccessorInfo, expected_receiver_type, Object,
           kExpectedReceiverTypeOffset)
 
 ACCESSORS(ExecutableAccessorInfo, getter, Object, kGetterOffset)
 ACCESSORS(ExecutableAccessorInfo, setter, Object, kSetterOffset)
 ACCESSORS(ExecutableAccessorInfo, data, Object, kDataOffset)
 
 ACCESSORS(Box, value, Object, kValueOffset)
 
-ACCESSORS(PrototypeInfo, prototype_object, JSObject, kPrototypeObjectOffset)
+ACCESSORS(PrototypeInfo, prototype_object, Object, kPrototypeObjectOffset)
 ACCESSORS(PrototypeInfo, prototype_users, Object, kPrototypeUsersOffset)
 ACCESSORS(PrototypeInfo, validity_cell, Object, kValidityCellOffset)
 
 ACCESSORS(AccessorPair, getter, Object, kGetterOffset)
 ACCESSORS(AccessorPair, setter, Object, kSetterOffset)
 
 ACCESSORS(AccessCheckInfo, named_callback, Object, kNamedCallbackOffset)
 ACCESSORS(AccessCheckInfo, indexed_callback, Object, kIndexedCallbackOffset)
 ACCESSORS(AccessCheckInfo, data, Object, kDataOffset)
 
@@ skipping 2056 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_