# HG changeset patch
# User Christian Brabandt <cb@256bit.org>
# Date 1477573204 -7200
# Node ID 210af8588e8aecd646ebe92f1ad8c0a9c430e367
# Parent  07d2b5a3b7cc050123632a80c725d4d493421bdb
commit https://github.com/vim/vim/commit/50e5376926dc2ec4a26a7a16f8f0f3213c4afdf0
Author: Bram Moolenaar <Bram@vim.org>
Date:   Thu Oct 27 14:49:15 2016 +0200

    patch 8.0.0047
    Problem:    Crash when using the preview window from an unnamed buffer.
                (lifepillar)
    Solution:   Do not clear the wrong buffer. (closes https://github.com/vim/vim/issues/1200)

diff --git a/src/popupmnu.c b/src/popupmnu.c
--- 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
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    47,
+/**/
     46,
 /**/
     45,