Reland "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 38dd8643eef5896dd7607c8dc4690fb2cee9f77a..06802ca0a072973cde95d866b7dbb32156b89ec1 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -7055,6 +7055,16 @@ void AccessorInfo::set_all_can_write(bool value) {
 }
 
 
+bool AccessorInfo::is_special_data_property() {
+  return BooleanBit::get(flag(), kSpecialDataProperty);
+}
+
+
+void AccessorInfo::set_is_special_data_property(bool value) {
+  set_flag(BooleanBit::set(flag(), kSpecialDataProperty, value));
+}
+
+
 PropertyAttributes AccessorInfo::property_attributes() {
   return AttributesField::decode(static_cast<uint32_t>(flag()->value()));
 }