Temporary header file '/tmp/zCN8Z8LGKL/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/aqbanking6/aqbanking/account_type.h"
  #include "/usr/include/aqbanking6/aqbanking/banking.h"
  #include "/usr/include/aqbanking6/aqbanking/banking_bankinfo.h"
  #include "/usr/include/aqbanking6/aqbanking/banking_dialogs.h"
  #include "/usr/include/aqbanking6/aqbanking/banking_imex.h"
  #include "/usr/include/aqbanking6/aqbanking/banking_online.h"
  #include "/usr/include/aqbanking6/aqbanking/banking_transaction.h"
  #include "/usr/include/aqbanking6/aqbanking/error.h"
  #include "/usr/include/aqbanking6/aqbanking/gui/abgui.h"
  #include "/usr/include/aqbanking6/aqbanking/system.h"
  #include "/usr/include/aqbanking6/aqbanking/types/account_spec.h"
  #include "/usr/include/aqbanking6/aqbanking/types/balance.h"
  #include "/usr/include/aqbanking6/aqbanking/types/bankinfo.h"
  #include "/usr/include/aqbanking6/aqbanking/types/bankinfoservice.h"
  #include "/usr/include/aqbanking6/aqbanking/types/document.h"
  #include "/usr/include/aqbanking6/aqbanking/types/imexporter_accountinfo.h"
  #include "/usr/include/aqbanking6/aqbanking/types/imexporter_context.h"
  #include "/usr/include/aqbanking6/aqbanking/types/message.h"
  #include "/usr/include/aqbanking6/aqbanking/types/refaccount.h"
  #include "/usr/include/aqbanking6/aqbanking/types/security.h"
  #include "/usr/include/aqbanking6/aqbanking/types/transaction.h"
  #include "/usr/include/aqbanking6/aqbanking/types/transactionlimits.h"
  #include "/usr/include/aqbanking6/aqbanking/types/value.h"
  #include "/usr/include/aqbanking6/aqbanking/version.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;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/zCN8Z8LGKL/dump1.h"  -I/usr/include/gwenhywfar5 -I/usr/include/aqbanking6