Temporary header file '/tmp/5_LrIywTcM/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/stb/stb.h"
  #include "/usr/include/stb/stb_c_lexer.h"
  #include "/usr/include/stb/stb_connected_components.h"
  #include "/usr/include/stb/stb_divide.h"
  #include "/usr/include/stb/stb_ds.h"
  #include "/usr/include/stb/stb_dxt.h"
  #include "/usr/include/stb/stb_easy_font.h"
  #include "/usr/include/stb/stb_herringbone_wang_tile.h"
  #include "/usr/include/stb/stb_hexwave.h"
  #include "/usr/include/stb/stb_image.h"
  #include "/usr/include/stb/stb_image_resize.h"
  #include "/usr/include/stb/stb_image_write.h"
  #include "/usr/include/stb/stb_include.h"
  #include "/usr/include/stb/stb_leakcheck.h"
  #include "/usr/include/stb/stb_perlin.h"
  #include "/usr/include/stb/stb_rect_pack.h"
  #include "/usr/include/stb/stb_sprintf.h"
  #include "/usr/include/stb/stb_textedit.h"
  #include "/usr/include/stb/stb_tilemap_editor.h"
  #include "/usr/include/stb/stb_truetype.h"
  #include "/usr/include/stb/stb_vorbis.h"
  #include "/usr/include/stb/stb_voxel_render.h"

  // add classes
  HexWave* 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;
  stb_dirtree2* tmp_add_class_4;
  stb_dupe* tmp_add_class_5;
  stb_easy_font_info_struct* tmp_add_class_6;
  stb_vorbis* tmp_add_class_7;
  stbds_string_arena* tmp_add_class_8;
  stbds_string_block* tmp_add_class_9;
  stbfile* tmp_add_class_10;
  stbhw_tileset* tmp_add_class_11;
  stbrp_context* tmp_add_class_12;
  stbrp_node* tmp_add_class_13;
  stbrp_rect* tmp_add_class_14;
  stbtt_fontinfo* tmp_add_class_15;
  stbtt_kerningentry* tmp_add_class_16;
  stbtt_pack_context* tmp_add_class_17;
  stbvox_input_description* tmp_add_class_18;
  stbvox_mesh_maker* tmp_add_class_19;
  stbvox_uniform_info* tmp_add_class_20;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/5_LrIywTcM/dump1.h"