From 3fd582643ef3d222a00a0c756292c15b88f9f83c Mon Sep 17 00:00:00 2001
From: Keyan Zhang <root@keyanzhang.com>
Date: Thu, 21 Jul 2016 04:41:31 -0700
Subject: [PATCH] improved warning in ReactUpdateQueue (#7326)

---
 src/renderers/shared/stack/reconciler/ReactUpdateQueue.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/renderers/shared/stack/reconciler/ReactUpdateQueue.js b/src/renderers/shared/stack/reconciler/ReactUpdateQueue.js
index 9d4071cc3f..1b555520a7 100644
--- a/src/renderers/shared/stack/reconciler/ReactUpdateQueue.js
+++ b/src/renderers/shared/stack/reconciler/ReactUpdateQueue.js
@@ -40,6 +40,7 @@ function getInternalInstanceReadyForUpdate(publicInstance, callerName) {
   var internalInstance = ReactInstanceMap.get(publicInstance);
   if (!internalInstance) {
     if (__DEV__) {
+      var ctor = publicInstance.constructor;
       // Only warn when we have a callerName. Otherwise we should be silent.
       // We're probably calling from enqueueCallback. We don't want to warn
       // there because we already warned for the corresponding lifecycle method.
@@ -50,7 +51,7 @@ function getInternalInstanceReadyForUpdate(publicInstance, callerName) {
         'This is a no-op. Please check the code for the %s component.',
         callerName,
         callerName,
-        publicInstance.constructor.displayName
+        ctor && (ctor.displayName || ctor.name) || 'ReactClass'
       );
     }
     return null;