GCC 4.4: fixed some strict-aliasing warnings.

src/MeshTools/Clean.h

@@ -105,7 +105,8 @@ template<class Vertex, std::size_t vertexSize = Vertex::Size> class Clean {
         class IndexHash {
             public:
                 inline std::size_t operator()(const Math::Vector<vertexSize, std::size_t>& data) const {
-                    return *reinterpret_cast<const std::size_t*>(Corrade::Utility::MurmurHash2()(reinterpret_cast<const char*>(&data), sizeof(data)).byteArray());
+                    /* GCC 4.4 thinks reinterpret_cast will break strict aliasing, doing it with bit cast instead */
+                    return Corrade::Utility::bitCast<std::size_t>(Corrade::Utility::MurmurHash2()(reinterpret_cast<const char*>(&data), sizeof(data)));
                 }
         };
 

src/ResourceManager.h

@@ -116,7 +116,8 @@ template<class T, class U> class Resource;
 namespace Implementation {
     struct ResourceKeyHash {
         inline std::size_t operator()(ResourceKey key) const {
-            return *reinterpret_cast<const std::size_t*>(key.byteArray());
+            /* GCC 4.4 thinks reinterpret_cast will break strict aliasing, doing it with bit cast instead */
+            return Corrade::Utility::bitCast<std::size_t>(key);
         }
     };