Temporary header file '/tmp/LL4pT9VGfo/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

  // add includes
  #include "/usr/include/libipset/args.h"
  #include "/usr/include/libipset/data.h"
  #include "/usr/include/libipset/errcode.h"
  #include "/usr/include/libipset/ipset.h"
  #include "/usr/include/libipset/linux_ip_set.h"
  #include "/usr/include/libipset/linux_ip_set_bitmap.h"
  #include "/usr/include/libipset/linux_ip_set_hash.h"
  #include "/usr/include/libipset/linux_ip_set_list.h"
  #include "/usr/include/libipset/mnl.h"
  #include "/usr/include/libipset/nf_inet_addr.h"
  #include "/usr/include/libipset/nfproto.h"
  #include "/usr/include/libipset/parse.h"
  #include "/usr/include/libipset/pfxlen.h"
  #include "/usr/include/libipset/print.h"
  #include "/usr/include/libipset/session.h"
  #include "/usr/include/libipset/transport.h"
  #include "/usr/include/libipset/types.h"
  #include "/usr/include/libipset/utils.h"
  #include "/usr/include/libipset/xlate.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;
  cmsghdr* tmp_add_class_3;
  group_filter* tmp_add_class_4;
  group_req* tmp_add_class_5;
  group_source_req* tmp_add_class_6;
  in6_addr* tmp_add_class_7;
  in6_pktinfo* tmp_add_class_8;
  in_addr* tmp_add_class_9;
  in_pktinfo* tmp_add_class_10;
  iovec* tmp_add_class_11;
  ip6_mtuinfo* tmp_add_class_12;
  ip_mreq* tmp_add_class_13;
  ip_mreq_source* tmp_add_class_14;
  ip_mreqn* tmp_add_class_15;
  ip_msfilter* tmp_add_class_16;
  ip_opts* tmp_add_class_17;
  ip_set_counter_match* tmp_add_class_18;
  ip_set_counter_match0* tmp_add_class_19;
  ip_set_name_index* tmp_add_class_20;
  ip_set_req_get_set* tmp_add_class_21;
  ip_set_req_get_set_family* tmp_add_class_22;
  ip_set_req_version* tmp_add_class_23;
  ipset_arg* tmp_add_class_24;
  ipset_commands* tmp_add_class_25;
  ipset_elem* tmp_add_class_26;
  ipset_envopts* tmp_add_class_27;
  ipset_errcode_table* tmp_add_class_28;
  ipset_optarg* tmp_add_class_29;
  ipset_transport* tmp_add_class_30;
  ipset_type* tmp_add_class_31;
  ipv6_mreq* tmp_add_class_32;
  linger* tmp_add_class_33;
  mmsghdr* tmp_add_class_34;
  msghdr* tmp_add_class_35;
  nf_inet_addr* tmp_add_class_36;
  nfgenmsg* tmp_add_class_37;
  nl_mmap_hdr* tmp_add_class_38;
  nl_mmap_req* tmp_add_class_39;
  nl_pktinfo* tmp_add_class_40;
  nla_bitfield32* tmp_add_class_41;
  nlattr* tmp_add_class_42;
  nlmsgerr* tmp_add_class_43;
  nlmsghdr* tmp_add_class_44;
  osockaddr* tmp_add_class_45;
  sockaddr* tmp_add_class_46;
  sockaddr_in* tmp_add_class_47;
  sockaddr_in6* tmp_add_class_48;
  sockaddr_nl* tmp_add_class_49;
  sockaddr_storage* tmp_add_class_50;
  ucred* tmp_add_class_51;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/LL4pT9VGfo/dump1.h"

/tmp/LL4pT9VGfo/dump1.h:57:3: error: ‘ipset_commands’ does not name a type
   57 |   ipset_commands* tmp_add_class_25;
      |   ^~~~~~~~~~~~~~
/tmp/LL4pT9VGfo/dump1.h:59:3: error: ‘ipset_envopts’ does not name a type
   59 |   ipset_envopts* tmp_add_class_27;
      |   ^~~~~~~~~~~~~