Temporary header file '/tmp/GCNwUXue8V/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

  // add includes
  #include "/usr/include/vpx/vp8.h"
  #include "/usr/include/vpx/vp8cx.h"
  #include "/usr/include/vpx/vp8dx.h"
  #include "/usr/include/vpx/vpx_codec.h"
  #include "/usr/include/vpx/vpx_decoder.h"
  #include "/usr/include/vpx/vpx_encoder.h"
  #include "/usr/include/vpx/vpx_ext_ratectrl.h"
  #include "/usr/include/vpx/vpx_frame_buffer.h"
  #include "/usr/include/vpx/vpx_image.h"
  #include "/usr/include/vpx/vpx_integer.h"
  #include "/usr/share/doc/libvpx-dev/examples/svc_context.h"

  // add classes
  SvcInternal* tmp_add_class_0;
  vp8_postproc_cfg* tmp_add_class_1;
  vp9_ref_frame* tmp_add_class_2;
  vpx_active_map* tmp_add_class_3;
  vpx_codec_ctx* tmp_add_class_4;
  vpx_codec_cx_pkt* tmp_add_class_5;
  vpx_codec_dec_cfg* tmp_add_class_6;
  vpx_codec_enc_cfg* tmp_add_class_7;
  vpx_codec_enc_output_cx_cb_pair* tmp_add_class_8;
  vpx_codec_frame_buffer* tmp_add_class_9;
  vpx_codec_stream_info* tmp_add_class_10;
  vpx_decrypt_init* tmp_add_class_11;
  vpx_fixed_buf* tmp_add_class_12;
  vpx_image* tmp_add_class_13;
  vpx_image_rect* tmp_add_class_14;
  vpx_rational* tmp_add_class_15;
  vpx_rc_config* tmp_add_class_16;
  vpx_rc_encodeframe_decision* tmp_add_class_17;
  vpx_rc_encodeframe_info* tmp_add_class_18;
  vpx_rc_encodeframe_result* tmp_add_class_19;
  vpx_rc_firstpass_stats* tmp_add_class_20;
  vpx_rc_frame_stats* tmp_add_class_21;
  vpx_rc_funcs* tmp_add_class_22;
  vpx_ref_frame* tmp_add_class_23;
  vpx_roi_map* tmp_add_class_24;
  vpx_scaling_mode* tmp_add_class_25;
  vpx_svc_frame_drop* tmp_add_class_26;
  vpx_svc_layer_id* tmp_add_class_27;
  vpx_svc_parameters* tmp_add_class_28;
  vpx_svc_ref_frame_config* tmp_add_class_29;
  vpx_svc_spatial_layer_sync* tmp_add_class_30;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/GCNwUXue8V/dump1.h"