Temporary header file '/tmp/eRg03q4SsT/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/extern_c_begin.h"
  #include "/usr/include/extern_c_end.h"
  #include "/usr/include/modp_ascii.h"
  #include "/usr/include/modp_b16.h"
  #include "/usr/include/modp_b2.h"
  #include "/usr/include/modp_b64.h"
  #include "/usr/include/modp_b64r.h"
  #include "/usr/include/modp_b64w.h"
  #include "/usr/include/modp_b85.h"
  #include "/usr/include/modp_bjavascript.h"
  #include "/usr/include/modp_burl.h"
  #include "/usr/include/modp_html.h"
  #include "/usr/include/modp_json.h"
  #include "/usr/include/modp_numtoa.h"
  #include "/usr/include/modp_qsiter.h"
  #include "/usr/include/modp_stdint.h"
  #include "/usr/include/modp_xml.h"

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

  // 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;
  qsiter_t* tmp_add_class_3;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/eRg03q4SsT/dump1.h"