commit 5b73992d8f82be7ac4b6f46c17f53ffb9640e5fa
author Yegappan Lakshmanan <yegappan@yahoo.com> Sat Jul 10 13:15:41 2021 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Jul 10 13:15:41 2021 +0200
tree ff59a04ff0b60de8b527e5fe9d5e7df9bf50f5ce
parent 9da32e4d578f4e93ef5397f9dd13e2c28b2a2595

patch 8.2.3135: Vim9: builtin function arguments not checked at compile time

Problem:    Vim9: builtin function arguments not checked at compile time.
Solution:   Add more type checks. (Yegappan Lakshmanan, closes #8539)

src/testing.c

diff --git a/src/testing.c b/src/testing.c
index f01f73a..c2389bd 100644
--- a/src/testing.c
+++ b/src/testing.c
@@ -1096,7 +1096,10 @@
     void
 f_test_ignore_error(typval_T *argvars, typval_T *rettv UNUSED)
 {
-     ignore_error_for_testing(tv_get_string(&argvars[0]));
+    if (argvars[0].v_type != VAR_STRING)
+	emsg(_(e_invarg));
+    else
+	ignore_error_for_testing(tv_get_string(&argvars[0]));
 }
 
     void