From 5dc83903d66afcb900d1363abc125a086f61384e Mon Sep 17 00:00:00 2001
From: "Justin R. Miller" <incanus@codesorcery.net>
Date: Wed, 25 Jan 2017 13:38:37 -0800
Subject: [PATCH] fixes #6688: assert remaining map view notification responses
 are main thread (#7838)

---
 platform/ios/src/MGLMapView.mm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/platform/ios/src/MGLMapView.mm b/platform/ios/src/MGLMapView.mm
index acc6a3f13..db86f59a5 100644
--- a/platform/ios/src/MGLMapView.mm
+++ b/platform/ios/src/MGLMapView.mm
@@ -641,6 +641,8 @@ public:
 
 - (void)reachabilityChanged:(NSNotification *)notification
 {
+    MGLAssertIsMainThread();
+
     MGLReachability *reachability = [notification object];
     if ( ! _isWaitingForRedundantReachableNotification && [reachability isReachable])
     {
@@ -707,6 +709,8 @@ public:
 
 - (void)didReceiveMemoryWarning
 {
+    MGLAssertIsMainThread();
+
     _mbglMap->onLowMemory();
 }