From a452b2cfecc803ee08c513a037999384a50555d9 Mon Sep 17 00:00:00 2001
From: Viet Hoa Dinh <dvh@fb.com>
Date: Thu, 13 Dec 2018 23:44:59 -0800
Subject: Fixed memory leak

---
 src/core/basetypes/MCObject.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/core/basetypes/MCObject.cpp b/src/core/basetypes/MCObject.cpp
index c9d8d464..65f67588 100644
--- a/src/core/basetypes/MCObject.cpp
+++ b/src/core/basetypes/MCObject.cpp
@@ -341,8 +341,10 @@ void Object::performMethodOnDispatchQueueAfterDelay(Method method, void * contex
     initDelayedPerform();
     
     __block bool cancelled = false;
-    
+
+    void (^dupCancelableBlock)(bool cancel) = NULL;
     void (^cancelableBlock)(bool cancel) = ^(bool cancel) {
+        Block_release(dupCancelableBlock);
         if (cancel) {
             cancelled = true;
             return;
@@ -352,7 +354,7 @@ void Object::performMethodOnDispatchQueueAfterDelay(Method method, void * contex
         }
     };
     
-    void (^dupCancelableBlock)(bool cancel) = Block_copy(cancelableBlock);
+    dupCancelableBlock = Block_copy(cancelableBlock);
     
     retain();
     addToPerformHash(this, method, context, targetDispatchQueue, (void *) dupCancelableBlock);
-- 
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