patch 7.4.1835
Problem:    When splitting and closing a window the status height changes.
Solution:   Compute the frame height correctly. (Hirohito Higashi)
diff --git a/src/window.c b/src/window.c
index bbd0a52..01da765 100644
--- a/src/window.c
+++ b/src/window.c
@@ -1165,8 +1165,13 @@
 	 * one row for the status line */
 	win_new_height(wp, new_size);
 	if (flags & (WSP_TOP | WSP_BOT))
-	    frame_new_height(curfrp, curfrp->fr_height
-			- (new_size + STATUS_HEIGHT), flags & WSP_TOP, FALSE);
+	{
+	    int new_fr_height = curfrp->fr_height - new_size;
+
+	    if (!((flags & WSP_BOT) && p_ls == 0))
+		new_fr_height -= STATUS_HEIGHT;
+	    frame_new_height(curfrp, new_fr_height, flags & WSP_TOP, FALSE);
+	}
 	else
 	    win_new_height(oldwin, oldwin_height - (new_size + STATUS_HEIGHT));
 	if (before)	/* new window above current one */
@@ -1179,18 +1184,13 @@
 	{
 	    wp->w_winrow = oldwin->w_winrow + oldwin->w_height + STATUS_HEIGHT;
 	    wp->w_status_height = oldwin->w_status_height;
-	    /* Don't set the status_height for oldwin yet, this might break
-	     * frame_fix_height(oldwin), therefore will be set below. */
+	    if (!(flags & WSP_BOT))
+		oldwin->w_status_height = STATUS_HEIGHT;
 	}
 	if (flags & WSP_BOT)
 	    frame_add_statusline(curfrp);
 	frame_fix_height(wp);
 	frame_fix_height(oldwin);
-
-	if (!before)
-	    /* new window above current one, set the status_height after
-	     * frame_fix_height(oldwin) */
-	    oldwin->w_status_height = STATUS_HEIGHT;
     }
 
     if (flags & (WSP_TOP | WSP_BOT))