Temporary header file '/tmp/RjnzJlg06q/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _FILE_OFFSET_BITS 64
#define _GXX_NULLPTR_T
#define CLUTTER_ENABLE_COMPOSITOR_API 1
#define _REGEX_NELTS(n)
#define _Atomic
#define PACKED

  // add includes
  #include "/usr/include/libfastjson/atomic.h"
  #include "/usr/include/libfastjson/json.h"
  #include "/usr/include/libfastjson/json_object.h"
  #include "/usr/include/libfastjson/json_object_iterator.h"
  #include "/usr/include/libfastjson/json_object_private.h"
  #include "/usr/include/libfastjson/json_tokener.h"
  #include "/usr/include/libfastjson/json_util.h"

  // add classes
  _G_fpos64_t* tmp_add_class_0;
  _G_fpos_t* tmp_add_class_1;
  _IO_cookie_io_functions_t* tmp_add_class_2;
  _fjson_child* tmp_add_class_3;
  _fjson_child_pg* tmp_add_class_4;
  fjson_object* tmp_add_class_5;
  fjson_object_iter* tmp_add_class_6;
  fjson_object_iterator* tmp_add_class_7;
  fjson_tokener* tmp_add_class_8;
  fjson_tokener_srec* tmp_add_class_9;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/RjnzJlg06q/dump1.h"