Temporary header file '/tmp/dlzvWuNxD2/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

  // add includes
  #include "/usr/include/marisa/agent.h"
  #include "/usr/include/marisa/base.h"
  #include "/usr/include/marisa/exception.h"
  #include "/usr/include/marisa/iostream.h"
  #include "/usr/include/marisa/key.h"
  #include "/usr/include/marisa/keyset.h"
  #include "/usr/include/marisa/query.h"
  #include "/usr/include/marisa/scoped-array.h"
  #include "/usr/include/marisa/scoped-ptr.h"
  #include "/usr/include/marisa/stdio.h"
  #include "/usr/include/marisa/trie.h"
  #include "/usr/include/marisa.h"

  // add namespaces
  namespace marisa{typedef int tmp_add_type_1;}
  marisa::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace marisa{namespace grimoire{typedef int tmp_add_type_2;}}
  marisa::grimoire::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace marisa{namespace grimoire{namespace trie{typedef int tmp_add_type_3;}}}
  marisa::grimoire::trie::tmp_add_type_3 tmp_add_func_3(){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/dlzvWuNxD2/dump1.h"