From c48f2404a314d66e122cc981a08e1e15741ea6f6 Mon Sep 17 00:00:00 2001
From: Michael Kirk <michael.code@endoftheworl.de>
Date: Thu, 14 Jun 2018 12:48:40 -0400
Subject: [PATCH] Fix overzealous assert

// FREEBIE
---
 SignalServiceKit/src/Messages/OWSMessageSender.m | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/SignalServiceKit/src/Messages/OWSMessageSender.m b/SignalServiceKit/src/Messages/OWSMessageSender.m
index b7efd340f..f499fe7bb 100644
--- a/SignalServiceKit/src/Messages/OWSMessageSender.m
+++ b/SignalServiceKit/src/Messages/OWSMessageSender.m
@@ -494,7 +494,7 @@ NSString *const OWSMessageSenderRateLimitedException = @"RateLimitedException";
                      failure:(RetryableFailureHandler)failureHandler
 {
     dispatch_async([OWSDispatch sendingQueue], ^{
-        TSThread *thread = message.thread;
+        TSThread *_Nullable thread = message.thread;
 
         // TODO: It would be nice to combine the "contact" and "group" send logic here.
         if ([thread isKindOfClass:[TSContactThread class]] &&
@@ -1121,6 +1121,7 @@ NSString *const OWSMessageSenderRateLimitedException = @"RateLimitedException";
         case 404: {
             DDLogWarn(@"%@ Unregistered recipient: %@", self.logTag, recipient.uniqueId);
 
+            OWSAssert(thread);
             [self unregisteredRecipient:recipient message:message thread:thread];
             NSError *error = OWSErrorMakeNoSuchSignalRecipientError();
             // No need to retry if the recipient is not registered.