Temporary header file '/tmp/ena0Y88a9z/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _TIME_BITS 64
#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/terraces/advanced.hpp"
  #include "/usr/include/terraces/bigint.hpp"
  #include "/usr/include/terraces/bitmatrix.hpp"
  #include "/usr/include/terraces/clamped_uint.hpp"
  #include "/usr/include/terraces/constraints.hpp"
  #include "/usr/include/terraces/definitions.hpp"
  #include "/usr/include/terraces/errors.hpp"
  #include "/usr/include/terraces/parser.hpp"
  #include "/usr/include/terraces/rooting.hpp"
  #include "/usr/include/terraces/simple.hpp"
  #include "/usr/include/terraces/subtree_extraction.hpp"
  #include "/usr/include/terraces/trees.hpp"

  // add namespaces
  namespace terraces{typedef int tmp_add_type_1;}
  terraces::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace terraces{namespace simple{typedef int tmp_add_type_2;}}
  terraces::simple::tmp_add_type_2 tmp_add_func_2(){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;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/ena0Y88a9z/dump1.h"