Temporary header file '/tmp/OO9MR5r3EP/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/libftdi1/ftdi.h"

  // add classes
  ftdi_context* tmp_add_class_0;
  ftdi_device_list* tmp_add_class_1;
  ftdi_transfer_control* tmp_add_class_2;
  ftdi_version_info* tmp_add_class_3;
  itimerval* tmp_add_class_4;
  size_and_time* tmp_add_class_5;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/OO9MR5r3EP/dump1.h"