From 49ffaefa1400db55df7c05c265b557a3cf6b180e Mon Sep 17 00:00:00 2001
From: Aronai Sieyes <arokha@arokha.com>
Date: Tue, 20 Jul 2021 14:39:44 -0400
Subject: [PATCH] Add code to trace recursive buckle issue

Also prevents it in the meantime.
---
 code/game/objects/buckling.dm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/code/game/objects/buckling.dm b/code/game/objects/buckling.dm
index fa2af7d0afa..145d4af2689 100644
--- a/code/game/objects/buckling.dm
+++ b/code/game/objects/buckling.dm
@@ -54,6 +54,10 @@
 	if(!can_buckle_check(M, forced))
 		return FALSE
 
+	if(M == src)
+		stack_trace("Recursive buckle warning: [M] being buckled to self.")
+		return
+
 	M.buckled = src
 	M.facing_dir = null
 	M.set_dir(buckle_dir ? buckle_dir : dir)