Temporary header file '/tmp/jMUmJlmkii/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/cppdb/atomic_counter.h"
  #include "/usr/include/cppdb/backend.h"
  #include "/usr/include/cppdb/conn_manager.h"
  #include "/usr/include/cppdb/connection_specific.h"
  #include "/usr/include/cppdb/defs.h"
  #include "/usr/include/cppdb/driver_manager.h"
  #include "/usr/include/cppdb/errors.h"
  #include "/usr/include/cppdb/frontend.h"
  #include "/usr/include/cppdb/mutex.h"
  #include "/usr/include/cppdb/numeric_util.h"
  #include "/usr/include/cppdb/pool.h"
  #include "/usr/include/cppdb/ref_ptr.h"
  #include "/usr/include/cppdb/shared_object.h"
  #include "/usr/include/cppdb/utils.h"

  // add namespaces
  namespace cppdb{typedef int tmp_add_type_1;}
  cppdb::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace cppdb{namespace backend{typedef int tmp_add_type_2;}}
  cppdb::backend::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace cppdb{namespace details{typedef int tmp_add_type_3;}}
  cppdb::details::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace cppdb{namespace tags{typedef int tmp_add_type_4;}}
  cppdb::tags::tmp_add_type_4 tmp_add_func_4(){return 0;};

  // 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/jMUmJlmkii/dump1.h"