Temporary header file '/tmp/FZxix2aRed/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/vistaio-1.2/vistaio/vconfig.h"
  #include "/usr/include/vistaio-1.2/vistaio/vcplist.h"
  #include "/usr/include/vistaio-1.2/vistaio/vfield2d.h"
  #include "/usr/include/vistaio-1.2/vistaio/vfield3d.h"
  #include "/usr/include/vistaio-1.2/vistaio/vista.h"
  #include "/usr/include/vistaio-1.2/vistaio/vistaio.h"
  #include "/usr/include/vistaio-1.2/vistaio/vspline2d.h"
  #include "/usr/include/vistaio-1.2/vistaio.h"

  // add classes
  VistaIOAdjstruct* tmp_add_class_0;
  VistaIOBucketStruct* tmp_add_class_1;
  VistaIOCPERec* tmp_add_class_2;
  VistaIOEdgeStruct* tmp_add_class_3;
  VistaIOField2DRec* tmp_add_class_4;
  VistaIOField3DRec* tmp_add_class_5;
  VistaIOFieldCPListRec* tmp_add_class_6;
  VistaIONodebaseStruct* tmp_add_class_7;
  VistaIONodestruct* tmp_add_class_8;
  VistaIOSpline2DRec* tmp_add_class_9;
  VistaIOTrackStruct* tmp_add_class_10;
  VistaIO_AttrRec* tmp_add_class_11;
  VistaIO_EdgesRec* tmp_add_class_12;
  VistaIO_GraphRec* tmp_add_class_13;
  VistaIO_ImageRec* tmp_add_class_14;
  VistaIO_List* tmp_add_class_15;
  VistaIO_Node* tmp_add_class_16;
  VistaIO_VolumesRec* tmp_add_class_17;
  VolumeStruct* tmp_add_class_18;
  _G_fpos64_t* tmp_add_class_19;
  _G_fpos_t* tmp_add_class_20;
  _IO_cookie_io_functions_t* tmp_add_class_21;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/FZxix2aRed/dump1.h"  -I/usr/include/vistaio-1.2