Temporary header file '/tmp/BqvSPoc7U1/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/compiz/decoration.h"

  // add classes
  _XAnimCursor* tmp_add_class_0;
  _XCircle* tmp_add_class_1;
  _XComposeStatus* tmp_add_class_2;
  _XConicalGradient* tmp_add_class_3;
  _XEvent* tmp_add_class_4;
  _XExtData* tmp_add_class_5;
  _XFilters* tmp_add_class_6;
  _XGlyphElt16* tmp_add_class_7;
  _XGlyphElt32* tmp_add_class_8;
  _XGlyphElt8* tmp_add_class_9;
  _XGlyphInfo* tmp_add_class_10;
  _XIMHotKeyTrigger* tmp_add_class_11;
  _XIMHotKeyTriggers* tmp_add_class_12;
  _XIMPreeditCaretCallbackStruct* tmp_add_class_13;
  _XIMPreeditDrawCallbackStruct* tmp_add_class_14;
  _XIMPreeditStateNotifyCallbackStruct* tmp_add_class_15;
  _XIMStatusDrawCallbackStruct* tmp_add_class_16;
  _XIMStringConversionCallbackStruct* tmp_add_class_17;
  _XIMStringConversionText* tmp_add_class_18;
  _XIMText* tmp_add_class_19;
  _XImage* tmp_add_class_20;
  _XIndexValue* tmp_add_class_21;
  _XLineFixed* tmp_add_class_22;
  _XLinearGradient* tmp_add_class_23;
  _XPointDouble* tmp_add_class_24;
  _XPointFixed* tmp_add_class_25;
  _XRadialGradient* tmp_add_class_26;
  _XRenderPictureAttributes* tmp_add_class_27;
  _XSpanFix* tmp_add_class_28;
  _XTransform* tmp_add_class_29;
  _XTrap* tmp_add_class_30;
  _XTrapezoid* tmp_add_class_31;
  _XTriangle* tmp_add_class_32;
  _decor_box* tmp_add_class_33;
  _decor_context* tmp_add_class_34;
  _decor_extents* tmp_add_class_35;
  _decor_layout* tmp_add_class_36;
  _decor_matrix* tmp_add_class_37;
  _decor_point* tmp_add_class_38;
  _decor_quad* tmp_add_class_39;
  _decor_shadow* tmp_add_class_40;
  _decor_shadow_options* tmp_add_class_41;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/BqvSPoc7U1/dump1.h"