Temporary header file '/tmp/pH0WQZhsuz/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/allegro5/allegro_acodec.h"

  // add classes
  ALLEGRO_ANY_EVENT* tmp_add_class_0;
  ALLEGRO_COLOR* tmp_add_class_1;
  ALLEGRO_DISPLAY_EVENT* tmp_add_class_2;
  ALLEGRO_DISPLAY_MODE* tmp_add_class_3;
  ALLEGRO_EVENT* tmp_add_class_4;
  ALLEGRO_EVENT_SOURCE* tmp_add_class_5;
  ALLEGRO_FILE_INTERFACE* tmp_add_class_6;
  ALLEGRO_FS_ENTRY* tmp_add_class_7;
  ALLEGRO_FS_INTERFACE* tmp_add_class_8;
  ALLEGRO_JOYSTICK_EVENT* tmp_add_class_9;
  ALLEGRO_JOYSTICK_STATE* tmp_add_class_10;
  ALLEGRO_KEYBOARD_EVENT* tmp_add_class_11;
  ALLEGRO_KEYBOARD_STATE* tmp_add_class_12;
  ALLEGRO_LOCKED_REGION* tmp_add_class_13;
  ALLEGRO_MEMORY_INTERFACE* tmp_add_class_14;
  ALLEGRO_MONITOR_INFO* tmp_add_class_15;
  ALLEGRO_MOUSE_EVENT* tmp_add_class_16;
  ALLEGRO_MOUSE_STATE* tmp_add_class_17;
  ALLEGRO_SAMPLE_ID* tmp_add_class_18;
  ALLEGRO_STATE* tmp_add_class_19;
  ALLEGRO_TIMEOUT* tmp_add_class_20;
  ALLEGRO_TIMER_EVENT* tmp_add_class_21;
  ALLEGRO_TOUCH_EVENT* tmp_add_class_22;
  ALLEGRO_TOUCH_INPUT_STATE* tmp_add_class_23;
  ALLEGRO_TOUCH_STATE* tmp_add_class_24;
  ALLEGRO_TRANSFORM* tmp_add_class_25;
  ALLEGRO_USER_EVENT* tmp_add_class_26;
  _al_tagbstring* tmp_add_class_27;
  f_owner_ex* tmp_add_class_28;
  file_handle* tmp_add_class_29;
  flock64* tmp_add_class_30;
  iovec* tmp_add_class_31;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/pH0WQZhsuz/dump1.h"