From d83820477fe905a85a4d1fd11bad1dba211f0f4f Mon Sep 17 00:00:00 2001
From: "Dylan K. Taylor" <odigiman@gmail.com>
Date: Sat, 21 Dec 2019 13:17:25 +0000
Subject: [PATCH] TimingsHandler: throw on attempt to stop timer that is not
 running I do not think that this bug is in effect in the core code, but I
 can't be sure.

---
 src/pocketmine/timings/TimingsHandler.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/pocketmine/timings/TimingsHandler.php b/src/pocketmine/timings/TimingsHandler.php
index 87a6100c55..b153a78dac 100644
--- a/src/pocketmine/timings/TimingsHandler.php
+++ b/src/pocketmine/timings/TimingsHandler.php
@@ -168,6 +168,9 @@ class TimingsHandler{
 
 	public function stopTiming(){
 		if(self::$enabled){
+			if($this->timingDepth === 0){
+				throw new \InvalidStateException("Cannot stop a timer that is not running");
+			}
 			if(--$this->timingDepth !== 0 or $this->start == 0){
 				return;
 			}