Mark internal AccessorInfo properties as "special data properties"

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index cc264f6aef251d4680e4bb4b1621353a74f18483..e46f291770e9ab48297fa72940f68e72d6285641 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -7036,6 +7036,16 @@ void AccessorInfo::set_all_can_write(bool value) {
 }
 
 
+bool AccessorInfo::is_special_data_property() {
+  return BooleanBit::get(flag(), kSpecialDataProperty);
+}
+
+
+void AccessorInfo::mark_special_data_property() {
+  set_flag(BooleanBit::set(flag(), kSpecialDataProperty, true));
+}
+
+
 PropertyAttributes AccessorInfo::property_attributes() {
   return AttributesField::decode(static_cast<uint32_t>(flag()->value()));
 }