isl_set_copy_basic_set: add missing return

diff --git a/isl_map.c b/isl_map.c
index e9a636f..d7c5d43 100644 (file)
--- a/isl_map.c
+++ b/isl_map.c
@@ -4412,7 +4412,8 @@ struct isl_basic_map *isl_map_copy_basic_map(struct isl_map *map)
 
 struct isl_basic_set *isl_set_copy_basic_set(struct isl_set *set)
 {
-       (struct isl_basic_set *)isl_map_copy_basic_map((struct isl_map *)set);
+       return (struct isl_basic_set *)
+               isl_map_copy_basic_map((struct isl_map *)set);
 }
 
 struct isl_map *isl_map_drop_basic_map(struct isl_map *map,