From 44959f50f86a3cdea96cc44baf7171eeed12a45e Mon Sep 17 00:00:00 2001
From: roytam1 <roytam@gmail.com>
Date: Wed, 15 Sep 2021 11:36:21 +0800
Subject: [PATCH] Bug 1724107, be more precise when counting the number of
 allocator users, r=KrisWright a=RyanVM

---
 xpcom/threads/TimerThread.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xpcom/threads/TimerThread.cpp b/xpcom/threads/TimerThread.cpp
index d92c2ef90b..db7c924623 100644
--- a/xpcom/threads/TimerThread.cpp
+++ b/xpcom/threads/TimerThread.cpp
@@ -170,6 +170,7 @@ public:
   void operator delete(void* aPtr)
   {
     sAllocator->Free(aPtr);
+    sAllocatorUsers--;
     DeleteAllocatorIfNeeded();
   }
 
@@ -193,7 +194,6 @@ private:
   {
     MOZ_ASSERT(!sCanDeleteAllocator || sAllocatorUsers > 0,
                "This will result in us attempting to deallocate the nsTimerEvent allocator twice");
-    sAllocatorUsers--;
   }
 
   RefPtr<nsTimerImpl> mTimer;