More fixes

Author: aelovikov-intel

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

@@ -341,8 +341,7 @@ class __SYCL_EXPORT modifiable_command_graph
   /// @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 {
+  void print_graph(const std::string path, bool verbose = false) const {
     print_graph(sycl::detail::string_view{path}, verbose);
   }
 #else