patch 8.2.3188: 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, also at runtime. (Yegappan
Lakshmanan, closes #8587)
diff --git a/src/cmdexpand.c b/src/cmdexpand.c
index 9b6d9aa..362ed77 100644
--- a/src/cmdexpand.c
+++ b/src/cmdexpand.c
@@ -2891,6 +2891,12 @@
int options = WILD_SILENT | WILD_USE_NL | WILD_ADD_SLASH
| WILD_NO_BEEP;
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_string_arg(argvars, 1) == FAIL
+ || check_for_opt_bool_arg(argvars, 2) == FAIL))
+ return;
+
if (argvars[1].v_type != VAR_STRING)
{
semsg(_(e_invarg2), "type must be a string");