From 50e5376926dc2ec4a26a7a16f8f0f3213c4afdf0 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Thu, 27 Oct 2016 14:49:15 +0200
Subject: [PATCH] patch 8.0.0047 Problem:    Crash when using the preview
 window from an unnamed buffer.             (lifepillar) Solution:   Do not
 clear the wrong buffer. (closes #1200)

---
 src/popupmnu.c | 4 +++-
 src/version.c  | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/popupmnu.c b/src/popupmnu.c
index d9d1feefa..b479b0045 100644
--- a/src/popupmnu.c
+++ b/src/popupmnu.c
@@ -582,7 +582,9 @@ pum_set_selected(int n, int repeat)
 
 	    if (curwin->w_p_pvw)
 	    {
-		if (curbuf->b_fname == NULL
+		if (!resized
+			&& curbuf->b_nwindows == 1
+			&& curbuf->b_fname == NULL
 			&& curbuf->b_p_bt[0] == 'n' && curbuf->b_p_bt[2] == 'f'
 			&& curbuf->b_p_bh[0] == 'w')
 		{
diff --git a/src/version.c b/src/version.c
index d25b91fde..001c74098 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    47,
 /**/
     46,
 /**/
-- 
2.50.1