Temporary header file '/tmp/CttSecfKlX/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/coin/OsiSymSolverInterface.hpp"
  #include "/usr/include/coin/OsiSymSolverParameters.hpp"
  #include "/usr/include/coin/SymConfig.h"
  #include "/usr/include/coin/SymWarmStart.hpp"
  #include "/usr/include/coin/symphony.h"

  // add classes
  CoinError* tmp_add_class_0;
  CoinMessageHandler* tmp_add_class_1;
  CoinMessages* tmp_add_class_2;
  CoinOneMessage* tmp_add_class_3;
  CoinPackedMatrix* tmp_add_class_4;
  CoinPackedVectorBase* tmp_add_class_5;
  CoinShallowPackedVector* tmp_add_class_6;
  CoinWarmStart* tmp_add_class_7;
  CoinWarmStartDiff* tmp_add_class_8;
  OsiSolverInterface* tmp_add_class_9;
  OsiSymSolverInterface* tmp_add_class_10;
  SymWarmStart* tmp_add_class_11;
  _G_fpos64_t* tmp_add_class_12;
  _G_fpos_t* tmp_add_class_13;
  _IO_cookie_io_functions_t* tmp_add_class_14;

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