Temporary header file '/tmp/4XE6bQRin8/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/open-trace-format/OTFAUX_MsgMatching.h"
  #include "/usr/include/open-trace-format/OTFAUX_State.h"
  #include "/usr/include/open-trace-format/OTFAUX_Thumbnail.h"
  #include "/usr/include/open-trace-format/OTF_CopyHandler.h"
  #include "/usr/include/open-trace-format/OTF_CopyHandler_stream.h"
  #include "/usr/include/open-trace-format/OTF_Definitions.h"
  #include "/usr/include/open-trace-format/OTF_Errno.h"
  #include "/usr/include/open-trace-format/OTF_File.h"
  #include "/usr/include/open-trace-format/OTF_FileManager.h"
  #include "/usr/include/open-trace-format/OTF_File_iofsl.h"
  #include "/usr/include/open-trace-format/OTF_Filenames.h"
  #include "/usr/include/open-trace-format/OTF_HandlerArray.h"
  #include "/usr/include/open-trace-format/OTF_KeyValue.h"
  #include "/usr/include/open-trace-format/OTF_MasterControl.h"
  #include "/usr/include/open-trace-format/OTF_RBuffer.h"
  #include "/usr/include/open-trace-format/OTF_RStream.h"
  #include "/usr/include/open-trace-format/OTF_Reader.h"
  #include "/usr/include/open-trace-format/OTF_Version.h"
  #include "/usr/include/open-trace-format/OTF_WBuffer.h"
  #include "/usr/include/open-trace-format/OTF_WStream.h"
  #include "/usr/include/open-trace-format/OTF_Writer.h"
  #include "/usr/include/open-trace-format/OTF_inttypes.h"
  #include "/usr/include/open-trace-format/OTF_inttypes_unix.h"
  #include "/usr/include/open-trace-format/otf.h"
  #include "/usr/include/open-trace-format/otfaux.h"

  // add classes
  OTF_KeyValueList_struct* tmp_add_class_0;
  OTF_KeyValuePairList_struct* tmp_add_class_1;
  OTF_KeyValuePair_struct* tmp_add_class_2;
  OTF_Value_union* 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;
  byte_array_struct* tmp_add_class_7;
  struct_OTF_File* tmp_add_class_8;
  struct_OTF_HandlerArray* tmp_add_class_9;
  struct_OTF_MapEntry* tmp_add_class_10;
  struct_OTF_MasterControl* tmp_add_class_11;
  struct_OTF_Pair* tmp_add_class_12;
  struct_OTF_RBuffer* tmp_add_class_13;
  struct_OTF_RStream* tmp_add_class_14;
  struct_OTF_WBuffer* tmp_add_class_15;
  struct_OTF_WStream* tmp_add_class_16;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/4XE6bQRin8/dump1.h"  -I/usr/include/open-trace-format