Temporary header file '/tmp/IacsFCQZ48/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
#ifdef __cplusplus
// C17 compat layer
#define _Alignof(type) alignof(type)
#endif
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/meschach/err.h"
  #include "/usr/include/meschach/iter.h"
  #include "/usr/include/meschach/machine.h"
  #include "/usr/include/meschach/matlab.h"
  #include "/usr/include/meschach/matrix.h"
  #include "/usr/include/meschach/matrix2.h"
  #include "/usr/include/meschach/meminfo.h"
  #include "/usr/include/meschach/oldnames.h"
  #include "/usr/include/meschach/sparse.h"
  #include "/usr/include/meschach/sparse2.h"
  #include "/usr/include/meschach/zmatrix.h"
  #include "/usr/include/meschach/zmatrix2.h"

  // add classes
  Iter_data* tmp_add_class_0;
  SPMAT* tmp_add_class_1;
  SPROW* tmp_add_class_2;
  SPVEC* tmp_add_class_3;
  _G_fpos64_t* tmp_add_class_4;
  _G_fpos_t* tmp_add_class_5;
  _IO_cookie_io_functions_t* tmp_add_class_6;
  pair* tmp_add_class_7;
  row_elt* tmp_add_class_8;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/IacsFCQZ48/dump1.h"