Temporary header file '/tmp/Bm72Kfd2re/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/libast/array.h"
  #include "/usr/include/libast/avl_tree.h"
  #include "/usr/include/libast/dlinked_list.h"
  #include "/usr/include/libast/iterator_if.h"
  #include "/usr/include/libast/linked_list.h"
  #include "/usr/include/libast/list_if.h"
  #include "/usr/include/libast/map_if.h"
  #include "/usr/include/libast/mbuff.h"
  #include "/usr/include/libast/obj.h"
  #include "/usr/include/libast/objpair.h"
  #include "/usr/include/libast/regexp.h"
  #include "/usr/include/libast/socket.h"
  #include "/usr/include/libast/str.h"
  #include "/usr/include/libast/sysdefs.h"
  #include "/usr/include/libast/tok.h"
  #include "/usr/include/libast/types.h"
  #include "/usr/include/libast/url.h"
  #include "/usr/include/libast/vector_if.h"
  #include "/usr/include/libast.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/Bm72Kfd2re/dump1.h"

In file included from /tmp/Bm72Kfd2re/dump1.h:30:
/usr/include/libast.h:77:11: fatal error: X11/Intrinsic.h: No such file or directory
   77 | # include <X11/Intrinsic.h>
      |           ^~~~~~~~~~~~~~~~~
compilation terminated.