From 9f29176033926b81553985deaba0ea162ca40215 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Fri, 28 Apr 2023 00:01:22 +0800
Subject: vim-patch:9.0.1492: using uninitialized memory when argument is
 missing (#23351)

Problem:    Using uninitialized memory when argument is missing.
Solution:   Check there are sufficient arguments before the base.
            (closes vim/vim#12302)

https://github.com/vim/vim/commit/b7f2270bab102d68f83a6300699b7f98efad81f2

Co-authored-by: Bram Moolenaar <Bram@vim.org>
---
 test/old/testdir/test_expr.vim | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'test')

diff --git a/test/old/testdir/test_expr.vim b/test/old/testdir/test_expr.vim
index ff3dfb83cb..fe79145fc9 100644
--- a/test/old/testdir/test_expr.vim
+++ b/test/old/testdir/test_expr.vim
@@ -407,6 +407,9 @@ func Test_printf_misc()
   call CheckLegacyAndVim9Success(lines)
 
   call CheckLegacyAndVim9Failure(["call printf('123', 3)"], "E767:")
+
+  " this was using uninitialized memory
+  call CheckLegacyAndVim9Failure(["eval ''->printf()"], "E119:")
 endfunc
 
 func Test_printf_float()
-- 
cgit