Merge branch 'ayzhuang/in-place-concat' of…

Merge branch 'ayzhuang/in-place-concat' of https://github.com/NervanaSystems/ngraph into ayzhuang/in-place-concat

src/ngraph/runtime/cpu/cpu_external_function.hpp

@@ -237,8 +237,8 @@ namespace ngraph
                 bool m_use_tbb;
 #if !defined(NGRAPH_DEX_ONLY)
                 bool m_is_compiled;
-                bool m_direct_execution;
 #endif
+                bool m_direct_execution;
                 EntryPoint m_compiled_function;
                 std::unordered_map<std::string, std::string> m_variable_name_map;