1 files changed, 17 insertions, 0 deletions
diff --git a/debug/tst-chk1.c b/debug/tst-chk1.c
index 37320c3514..0df660d57f 100644
--- a/debug/tst-chk1.c
+++ b/debug/tst-chk1.c
@@ -474,5 +474,22 @@ do_test (void)
   CHK_FAIL_END
 #endif
 
+  /* Check whether missing N$ formats are detected.  */
+  CHK_FAIL2_START
+  printf ("%3$d\n", 1, 2, 3, 4);
+  CHK_FAIL2_END
+
+  CHK_FAIL2_START
+  fprintf (stdout, "%3$d\n", 1, 2, 3, 4);
+  CHK_FAIL2_END
+
+  CHK_FAIL2_START
+  sprintf (buf, "%3$d\n", 1, 2, 3, 4);
+  CHK_FAIL2_END
+
+  CHK_FAIL2_START
+  snprintf (buf, sizeof (buf), "%3$d\n", 1, 2, 3, 4);
+  CHK_FAIL2_END
+
   return ret;
 }