Temporary header file '/tmp/XIpdkWsVjF/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _GXX_NULLPTR_T
#define CLUTTER_ENABLE_COMPOSITOR_API 1
#define _REGEX_NELTS(n)
#define _Atomic
#define PACKED

  // add includes
  #include "/usr/include/db_cxx.h"

  // add classes
  Db* tmp_add_class_0;
  DbChannel* tmp_add_class_1;
  DbDeadlockException* tmp_add_class_2;
  DbEnv* tmp_add_class_3;
  DbException* tmp_add_class_4;
  DbHeapRecordId* tmp_add_class_5;
  DbLock* tmp_add_class_6;
  DbLockNotGrantedException* tmp_add_class_7;
  DbLogc* tmp_add_class_8;
  DbLsn* tmp_add_class_9;
  DbMemoryException* tmp_add_class_10;
  DbMpoolFile* tmp_add_class_11;
  DbMultipleBuilder* tmp_add_class_12;
  DbMultipleDataBuilder* tmp_add_class_13;
  DbMultipleDataIterator* tmp_add_class_14;
  DbMultipleIterator* tmp_add_class_15;
  DbMultipleKeyDataBuilder* tmp_add_class_16;
  DbMultipleKeyDataIterator* tmp_add_class_17;
  DbMultipleRecnoDataBuilder* tmp_add_class_18;
  DbMultipleRecnoDataIterator* tmp_add_class_19;
  DbPreplist* tmp_add_class_20;
  DbRepHandleDeadException* tmp_add_class_21;
  DbRunRecoveryException* tmp_add_class_22;
  DbSequence* tmp_add_class_23;
  DbSite* tmp_add_class_24;
  DbTxn* tmp_add_class_25;
  Dbc* tmp_add_class_26;
  Dbt* tmp_add_class_27;
  _G_fpos64_t* tmp_add_class_28;
  _G_fpos_t* tmp_add_class_29;
  _IO_cookie_io_functions_t* tmp_add_class_30;

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