From 8ce60ddd079450e711e4620fdfa29deb372c0843 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Thu, 7 Jul 2022 08:02:41 +0800
Subject: vim-patch:8.2.4399: crash after ml_get error

Problem:    Crash after ml_get error.
Solution:   When returning "???" flush the line and set ml_line_lnum.
https://github.com/vim/vim/commit/f9435e49ef8032e80d38e31e950e4a9b75387533
---
 src/nvim/memline.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src')

diff --git a/src/nvim/memline.c b/src/nvim/memline.c
index 74608e75ad..5f74440747 100644
--- a/src/nvim/memline.c
+++ b/src/nvim/memline.c
@@ -1844,8 +1844,11 @@ char_u *ml_get_buf(buf_T *buf, linenr_T lnum, bool will_change)
       siemsg(_("E315: ml_get: invalid lnum: %" PRId64), (int64_t)lnum);
       recursive--;
     }
+    ml_flush_line(buf);
+    buf->b_ml.ml_flags &= ~ML_LINE_DIRTY;
 errorret:
     STRCPY(questions, "???");
+    buf->b_ml.ml_line_lnum = lnum;
     return questions;
   }
   if (lnum <= 0) {                      // pretend line 0 is line 1
-- 
cgit