From 4820dfc5707cf767314fa211b19af4e721d7a8df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Verschelde?= <rverschelde@gmail.com>
Date: Wed, 20 Sep 2017 21:49:46 +0200
Subject: [PATCH] Let queue_free() work on nodes which are not in the scene
 tree

In practice such nodes could directly be free()'ed, but this little change
prevents users from leaking memory by mistake.
Closes #9074.
---
 scene/main/node.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/scene/main/node.cpp b/scene/main/node.cpp
index 319f123da9..0ab41b40d8 100755
--- a/scene/main/node.cpp
+++ b/scene/main/node.cpp
@@ -2572,8 +2572,11 @@ void Node::print_stray_nodes() {
 
 void Node::queue_delete() {
 
-	ERR_FAIL_COND(!is_inside_tree());
-	get_tree()->queue_delete(this);
+	if (is_inside_tree()) {
+		get_tree()->queue_delete(this);
+	} else {
+		SceneTree::get_singleton()->queue_delete(this);
+	}
 }
 
 Array Node::_get_children() const {