Avoid inserting the 'default row' into the adaptive hash index

storage/innobase/btr/btr0cur.cc

@@ -2182,6 +2182,10 @@ btr_cur_search_to_nth_level(
 			btr_pcur_restore_position(). */
 			ut_ad(tuple->info_bits == REC_INFO_DEFAULT_ROW
 			      || tuple->info_bits == REC_INFO_MIN_REC_FLAG);
+		} else if (rec_is_default_row(btr_cur_get_rec(cursor),
+					      index)) {
+			/* Only user records belong in the adaptive
+			hash index. */
 		} else {
 			btr_search_info_update(index, cursor);
 		}

storage/innobase/btr/btr0sea.cc

@@ -1899,7 +1899,7 @@ btr_search_update_hash_on_insert(btr_cur_t* cursor)
 				     n_bytes, index->id);
 	}
 
-	if (!page_rec_is_infimum(rec)) {
+	if (!page_rec_is_infimum(rec) && !rec_is_default_row(rec, index)) {
 		offsets = rec_get_offsets(
 			rec, index, offsets, true,
 			btr_search_get_n_fields(n_fields, n_bytes), &heap);