isl_coalesce.c: fix typo in comment

diff --git a/isl_coalesce.c b/isl_coalesce.c
index ad602c2..fc85cc6 100644 (file)
--- a/isl_coalesce.c
+++ b/isl_coalesce.c
@@ -139,7 +139,7 @@ static void drop(struct isl_map *map, int i, struct isl_tab **tabs)
        map->n--;
 }
 
-/* Replace the pair of basic maps i and j but the basic map bounded
+/* Replace the pair of basic maps i and j by the basic map bounded
  * by the valid constraints in both basic maps.
  */
 static int fuse(struct isl_map *map, int i, int j, struct isl_tab **tabs,