Temporary header file '/tmp/x5q_9L3dfV/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/eegdev-pluginapi.h"
  #include "/usr/include/eegdev.h"

  // add classes
  core_interface* tmp_add_class_0;
  devmodule* tmp_add_class_1;
  egd_chinfo* tmp_add_class_2;
  egdi_optname* tmp_add_class_3;
  egdi_plugin_info* tmp_add_class_4;
  grpconf* tmp_add_class_5;
  gval* tmp_add_class_6;
  selected_channels* tmp_add_class_7;
  systemcap* tmp_add_class_8;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/x5q_9L3dfV/dump1.h"

In file included from /tmp/x5q_9L3dfV/dump1.h:12:
/usr/include/eegdev-pluginapi.h:40:59: error: conflicting declaration ‘const void* restrict’
   40 | typedef void (*cast_function)(void* restrict, const void* restrict,
      |                                               ~~~~~~~~~~~~^~~~~~~~
/usr/include/eegdev-pluginapi.h:40:37: note: previous declaration as ‘void* restrict’
   40 | typedef void (*cast_function)(void* restrict, const void* restrict,
      |                               ~~~~~~^~~~~~~~