Temporary header file '/tmp/ezfCOUFueb/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
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/t3/window/t3window/terminal.h"
  #include "/usr/include/t3/window/t3window/utf8.h"
  #include "/usr/include/t3/window/t3window/window.h"
  #include "/usr/include/t3/window/t3window/window_api.h"
  #include "/usr/include/t3/window/t3window/window_errors.h"

  // add namespaces
  namespace t3window{typedef int tmp_add_type_1;}
  t3window::tmp_add_type_1 tmp_add_func_1(){return 0;};

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/ezfCOUFueb/dump1.h"  -I/usr/include/t3/window