[ios] nil check in visibleAnnotationsInRect to avoid crash (#8513)

2017-03-28 16:06:16 -04:00
parent 8c34a5081c
commit c5c69102c5
1 changed files with 4 additions and 1 deletions
--- a/platform/ios/src/MGLMapView.mm
+++ b/platform/ios/src/MGLMapView.mm
@@ -3044,7 +3044,10 @@ public:
                continue;
            }
            MGLAnnotationContext annotationContext = _annotationContextsByAnnotationTag.at(annotationTag);
-            [annotations addObject:annotationContext.annotation];
+            if (annotationContext.annotation)
+            {
+                [annotations addObject:annotationContext.annotation];
+            }
        }

        return [annotations copy];