IOMA-6234: copy patch from mapbox#8374 to prevent features crashes on…

… stale tiles

src/mbgl/geometry/feature_index.cpp

@@ -157,5 +157,9 @@ void FeatureIndex::addBucketLayerName(const std::string& bucketName, const std::
 void FeatureIndex::setCollisionTile(std::unique_ptr<CollisionTile> collisionTile_) {
     collisionTile = std::move(collisionTile_);
 }
+
+void FeatureIndex::resetCollisionTile() {
+    collisionTile.reset();
+}
 
 } // namespace mbgl

src/mbgl/geometry/feature_index.hpp

@@ -54,6 +54,7 @@ class FeatureIndex {
     void addBucketLayerName(const std::string& bucketName, const std::string& layerName);
 
     void setCollisionTile(std::unique_ptr<CollisionTile>);
+    void resetCollisionTile();
 
 private:
     void addFeature(

src/mbgl/tile/geometry_tile.cpp

@@ -102,6 +102,7 @@ void GeometryTile::onLayout(LayoutResult result) {
     buckets = std::move(result.buckets);
     featureIndex = std::move(result.featureIndex);
     data = std::move(result.tileData);
+    featureIndex->resetCollisionTile();
     observer->onTileChanged(*this);
 }