commit f28f2ac425600b88da0bdcc12a82cd620f575681
author Bram Moolenaar <Bram@vim.org> Mon Mar 22 22:21:26 2021 +0100
committer Bram Moolenaar <Bram@vim.org> Mon Mar 22 22:21:26 2021 +0100
tree b8101a4aee337f1b41dbd51f6e8cea5a6c48a2ff
parent 49f1e9ec3e7f4e1b3572367d02a83c2b6ebbed97

patch 8.2.2646: Vim9: error for not using string doesn't mentionargument

Problem:    Vim9: error for not using string doesn't mention argument.
Solution:   Add argument number.

src/mbyte.c

diff --git a/src/mbyte.c b/src/mbyte.c
index bafab87..33b9ace 100644
--- a/src/mbyte.c
+++ b/src/mbyte.c
@@ -5551,7 +5551,7 @@
     void
 f_charclass(typval_T *argvars, typval_T *rettv UNUSED)
 {
-    if (check_for_string(&argvars[0]) == FAIL)
+    if (check_for_string(&argvars[0], 1) == FAIL)
 	return;
     rettv->vval.v_number = mb_get_class(argvars[0].vval.v_string);
 }