patch 8.2.1576: Vim9: index() does not take "true" as argument
Problem: Vim9: index() does not take "true" as argument.
Solution: Use tv_get_bool_chk(). (closes #6823)
diff --git a/src/evalfunc.c b/src/evalfunc.c
index 340ecf0..4f0bb5c 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -4944,7 +4944,7 @@
item = list_find(l, (long)tv_get_number_chk(&argvars[2], &error));
idx = l->lv_u.mat.lv_idx;
if (argvars[3].v_type != VAR_UNKNOWN)
- ic = (int)tv_get_number_chk(&argvars[3], &error);
+ ic = (int)tv_get_bool_chk(&argvars[3], &error);
if (error)
item = NULL;
}