# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1656685803 -7200
# Node ID 05ac4ab2c28209a9f9583ede8a91103cd0136671
# Parent  9a3d581aacd1f5b2d0627c9575c70e64797d1ab2
patch 9.0.0017: accessing memory beyond the end of the line

Commit: https://github.com/vim/vim/commit/3d51ce18ab1be4f9f6061568a4e7fabf00b21794
Author: Bram Moolenaar <Bram@vim.org>
Date:   Fri Jul 1 15:26:15 2022 +0100

    patch 9.0.0017: accessing memory beyond the end of the line

    Problem:    Accessing memory beyond the end of the line.
    Solution:   Stop Visual mode when closing a window.

diff --git a/src/testdir/test_visual.vim b/src/testdir/test_visual.vim
--- a/src/testdir/test_visual.vim
+++ b/src/testdir/test_visual.vim
@@ -1469,5 +1469,17 @@ func Test_visual_paste_clipboard()
   bwipe!
 endfunc
 
+func Test_visual_area_adjusted_when_hiding()
+  " The Visual area ended after the end of the line after :hide
+  call setline(1, 'xxx')
+  vsplit Xfile
+  call setline(1, 'xxxxxxxx')
+  norm! $o
+  hid
+  norm! zW
+  bwipe!
+  bwipe!
+endfunc
+
 
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    17,
+/**/
     16,
 /**/
     15,
diff --git a/src/window.c b/src/window.c
--- a/src/window.c
+++ b/src/window.c
@@ -2594,6 +2594,8 @@ win_close(win_T *win, int free_buf)
 	 */
 	if (wp->w_buffer != curbuf)
 	{
+	    reset_VIsual_and_resel();	// stop Visual mode
+
 	    other_buffer = TRUE;
 	    win->w_closing = TRUE;
 	    apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf);