Temporary header file '/tmp/jZ4Wth7WSK/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/GArgs.h"
  #include "/usr/include/GBase.h"
  #include "/usr/include/GFaSeqGet.h"
  #include "/usr/include/GFastaIndex.h"
  #include "/usr/include/GStr.h"
  #include "/usr/include/codons.h"
  #include "/usr/include/gdna.h"
  #include "/usr/include/gff.h"

  // add classes
  BEDLine* tmp_add_class_0;
  CNonExon* tmp_add_class_1;
  Codon* tmp_add_class_2;
  GArgs* tmp_add_class_3;
  GArgsDef* tmp_add_class_4;
  GFaSeqGet* tmp_add_class_5;
  GFastaDb* tmp_add_class_6;
  GFastaIndex* tmp_add_class_7;
  GFastaRec* tmp_add_class_8;
  GLineReader* tmp_add_class_9;
  GMapSeg* tmp_add_class_10;
  GMapSegments* tmp_add_class_11;
  GSeg* tmp_add_class_12;
  GSegMatch* tmp_add_class_13;
  GSeqStat* tmp_add_class_14;
  GStr* tmp_add_class_15;
  GStrSet* tmp_add_class_16;
  GSubSeq* tmp_add_class_17;
  GeneCDS* tmp_add_class_18;
  GeneCDSChain* tmp_add_class_19;
  GfList* tmp_add_class_20;
  GffAttr* tmp_add_class_21;
  GffAttrs* tmp_add_class_22;
  GffCDSeg* tmp_add_class_23;
  GffExon* tmp_add_class_24;
  GffLine* tmp_add_class_25;
  GffNameInfo* tmp_add_class_26;
  GffNameList* tmp_add_class_27;
  GffNames* tmp_add_class_28;
  GffObj* tmp_add_class_29;
  GffReader* tmp_add_class_30;
  GffScore* tmp_add_class_31;
  _G_fpos64_t* tmp_add_class_32;
  _G_fpos_t* tmp_add_class_33;
  _IO_cookie_io_functions_t* tmp_add_class_34;
  statx_timestamp* tmp_add_class_35;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/jZ4Wth7WSK/dump1.h"