patch 8.2.3206: Vim9: argument types are not checked at compile time
Problem: Vim9: argument types are not checked at compile time.
Solution: Add several more type checks. (Yegappan Lakshmanan, closes #8611)
diff --git a/src/misc1.c b/src/misc1.c
index 554f10b..b6325dc 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -2351,6 +2351,11 @@
if (check_restricted() || check_secure())
goto errret;
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_string_or_number_arg(argvars, 1) == FAIL))
+ return;
+
if (argvars[1].v_type != VAR_UNKNOWN)
{
/*