Temporary header file '/tmp/jCgL9YtFOU/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _FILE_OFFSET_BITS 64
#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/speex/speex_echo.h"
  #include "/usr/include/speex/speex_jitter.h"
  #include "/usr/include/speex/speex_preprocess.h"
  #include "/usr/include/speex/speex_resampler.h"
  #include "/usr/include/speex/speexdsp_config_types.h"
  #include "/usr/include/speex/speexdsp_types.h"

  // add classes
  _JitterBufferPacket* tmp_add_class_0;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/jCgL9YtFOU/dump1.h"