Temporary header file '/tmp/B9zqnWYNIt/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
#define getaddrinfo_a(a,b,c,d)

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

  // add classes
  _FillPolyReq* tmp_add_class_0;
  _G_fpos64_t* tmp_add_class_1;
  _G_fpos_t* tmp_add_class_2;
  _IO_cookie_io_functions_t* tmp_add_class_3;
  _PutImageReq* tmp_add_class_4;
  _XAnyClassinfo* tmp_add_class_5;
  _XAsyncEState* tmp_add_class_6;
  _XAxisInfo* tmp_add_class_7;
  _XButtonInfo* tmp_add_class_8;
  _XComposeStatus* tmp_add_class_9;
  _XConnWatchInfo* tmp_add_class_10;
  _XConnectionInfo* tmp_add_class_11;
  _XDeviceInfo* tmp_add_class_12;
  _XDisplay* tmp_add_class_13;
  _XEvent* tmp_add_class_14;
  _XExtData* tmp_add_class_15;
  _XExten* tmp_add_class_16;
  _XFreeFuncs* tmp_add_class_17;
  _XGC* tmp_add_class_18;
  _XIMHotKeyTrigger* tmp_add_class_19;
  _XIMHotKeyTriggers* tmp_add_class_20;
  _XIMPreeditCaretCallbackStruct* tmp_add_class_21;
  _XIMPreeditDrawCallbackStruct* tmp_add_class_22;
  _XIMPreeditStateNotifyCallbackStruct* tmp_add_class_23;
  _XIMStatusDrawCallbackStruct* tmp_add_class_24;
  _XIMStringConversionCallbackStruct* tmp_add_class_25;
  _XIMStringConversionText* tmp_add_class_26;
  _XIMText* tmp_add_class_27;
  _XImage* tmp_add_class_28;
  _XInternalAsync* tmp_add_class_29;
  _XKeyInfo* tmp_add_class_30;
  _XLockPtrs* tmp_add_class_31;
  _XSQEvent* tmp_add_class_32;
  _XValuatorInfo* tmp_add_class_33;
  _xArc* tmp_add_class_34;
  _xEvent* tmp_add_class_35;
  _xPoint* tmp_add_class_36;
  _xQueryFontReply* tmp_add_class_37;
  _xRectangle* tmp_add_class_38;
  _xReq* tmp_add_class_39;
  _xSegment* tmp_add_class_40;
  f_owner_ex* tmp_add_class_41;
  file_handle* tmp_add_class_42;
  flock64* tmp_add_class_43;
  iovec* tmp_add_class_44;
  itimerval* tmp_add_class_45;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/B9zqnWYNIt/dump1.h"