Temporary header file '/tmp/L5AIzPPYM1/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/waffle-1/waffle.h"
  #include "/usr/include/waffle-1/waffle_gbm.h"
  #include "/usr/include/waffle-1/waffle_glx.h"
  #include "/usr/include/waffle-1/waffle_version.h"
  #include "/usr/include/waffle-1/waffle_wayland.h"
  #include "/usr/include/waffle-1/waffle_x11_egl.h"

  // add classes
  _XComposeStatus* tmp_add_class_0;
  _XEvent* tmp_add_class_1;
  _XExtData* tmp_add_class_2;
  _XIMHotKeyTrigger* tmp_add_class_3;
  _XIMHotKeyTriggers* tmp_add_class_4;
  _XIMPreeditCaretCallbackStruct* tmp_add_class_5;
  _XIMPreeditDrawCallbackStruct* tmp_add_class_6;
  _XIMPreeditStateNotifyCallbackStruct* tmp_add_class_7;
  _XIMStatusDrawCallbackStruct* tmp_add_class_8;
  _XIMStringConversionCallbackStruct* tmp_add_class_9;
  _XIMStringConversionText* tmp_add_class_10;
  _XIMText* tmp_add_class_11;
  _XImage* tmp_add_class_12;
  waffle_error_info* tmp_add_class_13;
  waffle_gbm_config* tmp_add_class_14;
  waffle_gbm_context* tmp_add_class_15;
  waffle_gbm_display* tmp_add_class_16;
  waffle_gbm_window* tmp_add_class_17;
  waffle_glx_config* tmp_add_class_18;
  waffle_glx_context* tmp_add_class_19;
  waffle_glx_display* tmp_add_class_20;
  waffle_glx_window* tmp_add_class_21;
  waffle_native_config* tmp_add_class_22;
  waffle_native_context* tmp_add_class_23;
  waffle_native_display* tmp_add_class_24;
  waffle_native_window* tmp_add_class_25;
  waffle_wayland_config* tmp_add_class_26;
  waffle_wayland_context* tmp_add_class_27;
  waffle_wayland_display* tmp_add_class_28;
  waffle_wayland_window* tmp_add_class_29;
  waffle_x11_egl_config* tmp_add_class_30;
  waffle_x11_egl_context* tmp_add_class_31;
  waffle_x11_egl_display* tmp_add_class_32;
  waffle_x11_egl_window* tmp_add_class_33;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/L5AIzPPYM1/dump1.h"