patch 8.2.1127: Vim9: getting a dict member may not work
Problem: Vim9: getting a dict member may not work.
Solution: Clear the dict only after copying the item. (closes #6390)
diff --git a/src/vim9execute.c b/src/vim9execute.c
index b4acb35..bcacaab 100644
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -2188,6 +2188,7 @@
{
dict_T *dict;
dictitem_T *di;
+ typval_T temp_tv;
tv = STACK_TV_BOT(-1);
if (tv->v_type != VAR_DICT || tv->vval.v_dict == NULL)
@@ -2203,8 +2204,11 @@
semsg(_(e_dictkey), iptr->isn_arg.string);
goto failed;
}
- clear_tv(tv);
+ // Clear the dict after getting the item, to avoid that it
+ // make the item invalid.
+ temp_tv = *tv;
copy_tv(&di->di_tv, tv);
+ clear_tv(&temp_tv);
}
break;