From 099b024a2b31e8be856450bac7e16c1fb9a9cf78 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Verschelde?= <rverschelde@gmail.com>
Date: Tue, 5 Apr 2022 02:13:04 +0200
Subject: [PATCH] Fix DynamicBVH crash after #59867

I made a wrong assumption that initialization the other pointer in the
union would properly initialize the `childs` array.
---
 core/math/dynamic_bvh.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/core/math/dynamic_bvh.h b/core/math/dynamic_bvh.h
index 74831089f3b..50ec2c2b304 100644
--- a/core/math/dynamic_bvh.h
+++ b/core/math/dynamic_bvh.h
@@ -183,7 +183,7 @@ private:
 		Node *parent = nullptr;
 		union {
 			Node *childs[2];
-			void *data = nullptr;
+			void *data;
 		};
 
 		_FORCE_INLINE_ bool is_leaf() const { return childs[1] == nullptr; }
@@ -215,7 +215,10 @@ private:
 			return axis.dot(volume.get_center() - org) <= 0;
 		}
 
-		Node() {}
+		Node() {
+			childs[0] = nullptr;
+			childs[1] = nullptr;
+		}
 	};
 
 	PagedAllocator<Node> node_allocator;