Temporary header file '/tmp/kHU9aQO9mK/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _GXX_NULLPTR_T
#define CLUTTER_ENABLE_COMPOSITOR_API 1
#define _REGEX_NELTS(n)
#define _Atomic
#define PACKED
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/s3dw.h"

  // add classes
  _s3dw_button* tmp_add_class_0;
  _s3dw_input* tmp_add_class_1;
  _s3dw_label* tmp_add_class_2;
  _s3dw_scrollbar* tmp_add_class_3;
  _s3dw_style* tmp_add_class_4;
  _s3dw_surface* tmp_add_class_5;
  _s3dw_textbox* tmp_add_class_6;
  _s3dw_widget* tmp_add_class_7;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/kHU9aQO9mK/dump1.h"