Temporary header file '/tmp/nXtsjvete8/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/stdlib.h"
  #include "/usr/include/xmltok/ascii.h"
  #include "/usr/include/xmltok/asciitab.h"
  #include "/usr/include/xmltok/iasciitab.h"
  #include "/usr/include/xmltok/latin1tab.h"
  #include "/usr/include/xmltok/nametab.h"
  #include "/usr/include/xmltok/utf8tab.h"
  #include "/usr/include/xmltok/xmldef.h"
  #include "/usr/include/xmltok/xmlparse.h"
  #include "/usr/include/xmltok/xmlrole.h"
  #include "/usr/include/xmltok/xmltok.h"
  #include "/usr/include/xmltok/xmltok_impl.h"

  // add classes
  encoding* tmp_add_class_0;
  position* tmp_add_class_1;
  prolog_state* tmp_add_class_2;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/nXtsjvete8/dump1.h"

In file included from /tmp/nXtsjvete8/dump1.h:14:
/usr/include/xmltok/asciitab.h:6:12: error: ‘BT_NONXML’ does not name a type
    6 | /* 0x00 */ BT_NONXML, BT_NONXML, BT_NONXML, BT_NONXML,
      |            ^~~~~~~~~
In file included from /tmp/nXtsjvete8/dump1.h:18:
/usr/include/xmltok/utf8tab.h:7:12: error: ‘BT_TRAIL’ does not name a type
    7 | /* 0x80 */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
      |            ^~~~~~~~