From ff3dc29ffd371227a0013ed14176d5c5d6d96b0b Mon Sep 17 00:00:00 2001
From: Ivo van Dongen <info@ivovandongen.nl>
Date: Mon, 29 May 2017 15:09:34 +0300
Subject: [core] ensure layer::accept works with non-void return values on gcc

---
 include/mbgl/style/layer.hpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'include/mbgl/style')

diff --git a/include/mbgl/style/layer.hpp b/include/mbgl/style/layer.hpp
index 02153ad092..c6a3c0e735 100644
--- a/include/mbgl/style/layer.hpp
+++ b/include/mbgl/style/layer.hpp
@@ -6,8 +6,10 @@
 #include <mbgl/style/layer_type.hpp>
 #include <mbgl/style/types.hpp>
 
+#include <cassert>
 #include <memory>
 #include <string>
+#include <stdexcept>
 
 namespace mbgl {
 namespace style {
@@ -89,6 +91,11 @@ public:
         case LayerType::FillExtrusion:
             return std::forward<V>(visitor)(*as<FillExtrusionLayer>());
         }
+
+
+        // Not reachable, but placate GCC.
+        assert(false);
+        throw new std::runtime_error("unknown layer type");
     }
 
     LayerType getType() const;
-- 
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