Temporary header file '/tmp/FgQYPAdZVK/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/mpv/client.h"
  #include "/usr/include/mpv/render.h"
  #include "/usr/include/mpv/render_gl.h"
  #include "/usr/include/mpv/stream_cb.h"

  // add classes
  mpv_byte_array* tmp_add_class_0;
  mpv_event* tmp_add_class_1;
  mpv_event_client_message* tmp_add_class_2;
  mpv_event_command* tmp_add_class_3;
  mpv_event_end_file* tmp_add_class_4;
  mpv_event_hook* tmp_add_class_5;
  mpv_event_log_message* tmp_add_class_6;
  mpv_event_property* tmp_add_class_7;
  mpv_event_start_file* tmp_add_class_8;
  mpv_node* tmp_add_class_9;
  mpv_node_list* tmp_add_class_10;
  mpv_opengl_drm_draw_surface_size* tmp_add_class_11;
  mpv_opengl_drm_params* tmp_add_class_12;
  mpv_opengl_drm_params_v2* tmp_add_class_13;
  mpv_opengl_fbo* tmp_add_class_14;
  mpv_opengl_init_params* tmp_add_class_15;
  mpv_render_frame_info* tmp_add_class_16;
  mpv_render_param* tmp_add_class_17;
  mpv_stream_cb_info* tmp_add_class_18;

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