Guard/dispatch the correct overload

Author: aelovikov-intel

sycl/include/sycl/ext/oneapi/experimental/graph.hpp

@@ -340,7 +340,14 @@ class __SYCL_EXPORT modifiable_command_graph
   /// @param path The path to write the DOT file to.
   /// @param verbose If true, print additional information about the nodes such
   /// as kernel args or memory access where applicable.
+#ifdef ___INTEL_PREVIEW_BREAKING_CHANGES
+  void modifiable_command_graph::print_graph(const std::string path,
+                                             bool verbose) const {
+    print_graph(sycl::detail::string_view{path}, verbose);
+  }
+#else
   void print_graph(const std::string path, bool verbose = false) const;
+#endif
 
   /// Get a list of all nodes contained in this graph.
   std::vector<node> get_nodes() const;
@@ -377,13 +384,7 @@ class __SYCL_EXPORT modifiable_command_graph
   /// added as dependencies.
   void addGraphLeafDependencies(node Node);
 
-#ifdef ___INTEL_PREVIEW_BREAKING_CHANGES
-  void print_graph(sycl::detail::string_view path, bool verbose = false) const {
-    print_graph(sycl::detail::string_view{path}, verbose);
-  }
-#else
   void print_graph(sycl::detail::string_view path, bool verbose = false) const;
-#endif
 
   template <class Obj>
   friend const decltype(Obj::impl) &