Temporary header file '/tmp/l9huEIvRwA/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/cliquer/cliquer.h"
  #include "/usr/include/cliquer/cliquerconf.h"
  #include "/usr/include/cliquer/graph.h"
  #include "/usr/include/cliquer/misc.h"
  #include "/usr/include/cliquer/reorder.h"
  #include "/usr/include/cliquer/set.h"

  // add classes
  _G_fpos64_t* tmp_add_class_0;
  _G_fpos_t* tmp_add_class_1;
  _IO_cookie_io_functions_t* tmp_add_class_2;
  _clique_options* tmp_add_class_3;
  _graph_t* tmp_add_class_4;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/l9huEIvRwA/dump1.h"

In file included from /usr/include/cliquer/cliquer.h:7,
                 from /tmp/l9huEIvRwA/dump1.h:12:
/usr/include/cliquer/set.h: In function ‘setelement* set_duplicate(set_t)’:
/usr/include/cliquer/set.h:219:15: error: expected unqualified-id before ‘new’
  219 |         set_t new;
      |               ^~~
/usr/include/cliquer/set.h:221:12: error: expected type-specifier before ‘=’ token
  221 |         new=set_new(SET_MAX_SIZE(s));
      |            ^
/usr/include/cliquer/set.h:222:19: error: expected type-specifier before ‘,’ token
  222 |         memcpy(new,s,SET_ARRAY_LENGTH(s)*sizeof(setelement));
      |                   ^
/usr/include/cliquer/set.h:223:19: error: expected type-specifier before ‘;’ token
  223 |         return new;
      |                   ^