Temporary header file '/tmp/mp6YgUTeqP/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#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/mpc/datatypes.h"
  #include "/usr/include/mpc/minimax.h"
  #include "/usr/include/mpc/mpc_types.h"
  #include "/usr/include/mpc/mpcdec.h"
  #include "/usr/include/mpc/mpcmath.h"
  #include "/usr/include/mpc/reader.h"
  #include "/usr/include/mpc/streaminfo.h"

  // 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;
  mpc_bits_reader_t* tmp_add_class_3;
  mpc_chap_info_t* tmp_add_class_4;
  mpc_doubleint* tmp_add_class_5;
  mpc_floatint* tmp_add_class_6;
  mpc_frame_info_t* tmp_add_class_7;
  mpc_quantizer* tmp_add_class_8;
  mpc_reader_t* tmp_add_class_9;
  mpc_streaminfo* tmp_add_class_10;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/mp6YgUTeqP/dump1.h"