patch 8.2.3622: "verbose pwd" shows confusing info

Problem:    "verbose pwd" shows confusing info when :lcd does not change
            directory.
Solution:   Clear last_chdir_reason also when the directory does not change.
            (closes #9160)
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index aae34f9..76511de 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -7301,6 +7301,7 @@
 	VIM_CLEAR(globaldir);
     }
 
+    last_chdir_reason = NULL;
     shorten_fnames(TRUE);
 }
 
@@ -7390,7 +7391,6 @@
 
 	if (dir_differs)
 	{
-	    last_chdir_reason = NULL;
 	    if (scope == CDSCOPE_WINDOW)
 		acmd_fname = (char_u *)"window";
 	    else if (scope == CDSCOPE_TABPAGE)
diff --git a/src/testdir/test_autochdir.vim b/src/testdir/test_autochdir.vim
index 8a78b0d..f6cc148 100644
--- a/src/testdir/test_autochdir.vim
+++ b/src/testdir/test_autochdir.vim
@@ -40,6 +40,14 @@
   set acd
   wincmd w
   call assert_match('\[autochdir\].*testdir$', execute('verbose pwd'))
+  execute 'lcd' cwd
+  call assert_match('\[window\].*testdir$', execute('verbose pwd'))
+  execute 'tcd' cwd
+  call assert_match('\[tabpage\].*testdir$', execute('verbose pwd'))
+  execute 'cd' cwd
+  call assert_match('\[global\].*testdir$', execute('verbose pwd'))
+  edit
+  call assert_match('\[autochdir\].*testdir$', execute('verbose pwd'))
   wincmd w
   call assert_match('\[autochdir\].*testdir[/\\]Xautodir', execute('verbose pwd'))
   set noacd
diff --git a/src/version.c b/src/version.c
index 46f9771..94238de 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3622,
+/**/
     3621,
 /**/
     3620,