instantiated from `Log<Log_info, Formatter_type, Destination>::Log() [with Log_info = Exception_info, Formatter_type = XML_exception_formatter, Destination = Output_to_xmlfile<XML_exception_formatter>]'

 instantiated from `Log<Log_info, Formatter_type, Destination>::Log() [with Log_info = Exception_info, Formatter_type = XML_exception_formatter, Destination = Output_to_xmlfile<XML_exception_formatter>]'

 instantiated from `Log<Log_info, Formatter_type, Destination>::Log() [with Log_info = Exception_info, Formatter_type = XML_exception_formatter, Destination = Output_to_xmlfile<XML_exception_formatter>]'