From 20b154ae49f1e822194eb93223b51f11c6f00695 Mon Sep 17 00:00:00 2001
From: Artem Pavlenko <artem@mapnik.org>
Date: Mon, 28 Oct 2024 11:02:08 +0000
Subject: [PATCH] Remove 'final' specifier as it was breaking
 `dynamic_cast<invalid_featureset*>` in 'is_valid' test when building on macOS
 arm64

```
Apple clang version 16.0.0 (clang-1600.0.26.3)
Target: arm64-apple-darwin24.0.0
```
Also remove empty dtor as not required
---
 include/mapnik/featureset.hpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/mapnik/featureset.hpp b/include/mapnik/featureset.hpp
index cd1235afb..e300ff120 100644
--- a/include/mapnik/featureset.hpp
+++ b/include/mapnik/featureset.hpp
@@ -41,10 +41,9 @@ struct MAPNIK_DECL Featureset : private util::noncopyable
     virtual ~Featureset() {}
 };
 
-struct MAPNIK_DECL invalid_featureset final : Featureset
+struct MAPNIK_DECL invalid_featureset : Featureset
 {
     feature_ptr next() { return feature_ptr(); }
-    ~invalid_featureset() {}
 };
 
 using featureset_ptr = std::shared_ptr<Featureset>;