systemlist() that added on 7.4.248 make incorrect reference of list. Below is a patch. Please check and include.
diff -r dd44a527c2bd src/eval.c --- a/src/eval.c Sun Apr 06 21:34:04 2014 +0200 +++ b/src/eval.c Wed Apr 09 19:05:42 2014 +0900 @@ -18356,6 +18356,7 @@ list_append(list, li); } + ++list->lv_refcount; rettv->v_type = VAR_LIST; rettv->vval.v_list = list; list = NULL; -- -- You received this message from the "vim_dev" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to vim_dev+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.