From 9360b2354486fe5ae75dd3860cf71dd55df7c63c Mon Sep 17 00:00:00 2001
From: PouleyKetchoupp <pouleyketchoup@gmail.com>
Date: Tue, 12 Nov 2019 08:15:29 +0100
Subject: [PATCH] Fixed crash when pressing down key on empty Tree

Fixes #33554

(cherry picked from commit 47a4ca0022fe961d7dc607f37b0af6b5d0283d2e)
---
 scene/gui/tree.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/scene/gui/tree.cpp b/scene/gui/tree.cpp
index b10e16afc62..59e218de6f3 100644
--- a/scene/gui/tree.cpp
+++ b/scene/gui/tree.cpp
@@ -2152,8 +2152,9 @@ void Tree::_go_down() {
 	TreeItem *next = NULL;
 	if (!selected_item) {
 
-		next = hide_root ? root->get_next_visible() : root;
-		selected_item = 0;
+		if (root) {
+			next = hide_root ? root->get_next_visible() : root;
+		}
 	} else {
 
 		next = selected_item->get_next_visible();