From 68159f8d01c468e359c631fd292b146a19bb27a5 Mon Sep 17 00:00:00 2001
From: Ansis Brammanis <ansis@mapbox.com>
Date: Wed, 10 Jan 2018 16:21:07 -0500
Subject: [core] fix updating CrossTileSymbolIndex after bucket update

emplace does not overwite existing entries
---
 src/mbgl/text/cross_tile_symbol_index.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mbgl/text/cross_tile_symbol_index.cpp b/src/mbgl/text/cross_tile_symbol_index.cpp
index 6efded8e4a..30d265d885 100644
--- a/src/mbgl/text/cross_tile_symbol_index.cpp
+++ b/src/mbgl/text/cross_tile_symbol_index.cpp
@@ -93,6 +93,8 @@ bool CrossTileSymbolLayerIndex::addBucket(const OverscaledTileID& tileID, Symbol
         }
     }
 
+
+    indexes[tileID.overscaledZ].erase(tileID);
     indexes[tileID.overscaledZ].emplace(tileID, TileLayerIndex(tileID, bucket.symbolInstances, bucket.bucketInstanceId));
     return true;
 }
-- 
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