Temporary header file '/tmp/5llKH43roE/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _TIME_BITS 64
#define _FILE_OFFSET_BITS 64
#define _GXX_NULLPTR_T
#define CLUTTER_ENABLE_COMPOSITOR_API 1
#define _REGEX_NELTS(n)
#define _Atomic
#define PACKED
#ifdef __cplusplus
// C17 compat layer
#define _Alignof(type) alignof(type)
#endif
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/libHX/ctype_helper.h"
  #include "/usr/include/libHX/defs.h"
  #include "/usr/include/libHX/deque.h"
  #include "/usr/include/libHX/init.h"
  #include "/usr/include/libHX/intdiff.hpp"
  #include "/usr/include/libHX/io.h"
  #include "/usr/include/libHX/libxml_helper.h"
  #include "/usr/include/libHX/list.h"
  #include "/usr/include/libHX/map.h"
  #include "/usr/include/libHX/misc.h"
  #include "/usr/include/libHX/option.h"
  #include "/usr/include/libHX/proc.h"
  #include "/usr/include/libHX/socket.h"
  #include "/usr/include/libHX/string.h"
  #include "/usr/include/libHX/wx_helper.hpp"
  #include "/usr/include/libHX.h"

  // add namespaces
  namespace HX{typedef int tmp_add_type_1;}
  HX::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace icu_72{typedef int tmp_add_type_2;}
  icu_72::tmp_add_type_2 tmp_add_func_2(){return 0;};

  // add classes
  HXclist_head* tmp_add_class_0;
  HXdeque* tmp_add_class_1;
  HXdeque_node* tmp_add_class_2;
  HXlist_head* tmp_add_class_3;
  HXmap* tmp_add_class_4;
  HXmap_node* tmp_add_class_5;
  HXmap_ops* tmp_add_class_6;
  HXoptcb* tmp_add_class_7;
  HXoption* tmp_add_class_8;
  HXproc* tmp_add_class_9;
  HXproc_ops* tmp_add_class_10;
  _G_fpos64_t* tmp_add_class_11;
  _G_fpos_t* tmp_add_class_12;
  _IO_cookie_io_functions_t* tmp_add_class_13;
  _uconv_t* tmp_add_class_14;
  _xlinkHandler* tmp_add_class_15;
  _xmlAttr* tmp_add_class_16;
  _xmlAttribute* tmp_add_class_17;
  _xmlBuffer* tmp_add_class_18;
  _xmlCharEncodingHandler* tmp_add_class_19;
  _xmlDOMWrapCtxt* tmp_add_class_20;
  _xmlDoc* tmp_add_class_21;
  _xmlDtd* tmp_add_class_22;
  _xmlElement* tmp_add_class_23;
  _xmlElementContent* tmp_add_class_24;
  _xmlEntity* tmp_add_class_25;
  _xmlEnumeration* tmp_add_class_26;
  _xmlError* tmp_add_class_27;
  _xmlGlobalState* tmp_add_class_28;
  _xmlID* tmp_add_class_29;
  _xmlNode* tmp_add_class_30;
  _xmlNotation* tmp_add_class_31;
  _xmlNs* tmp_add_class_32;
  _xmlOutputBuffer* tmp_add_class_33;
  _xmlParserCtxt* tmp_add_class_34;
  _xmlParserInput* tmp_add_class_35;
  _xmlParserInputBuffer* tmp_add_class_36;
  _xmlParserNodeInfo* tmp_add_class_37;
  _xmlParserNodeInfoSeq* tmp_add_class_38;
  _xmlRef* tmp_add_class_39;
  _xmlSAXHandler* tmp_add_class_40;
  _xmlSAXHandlerV1* tmp_add_class_41;
  _xmlSAXLocator* tmp_add_class_42;
  _xmlValidCtxt* tmp_add_class_43;
  addrinfo* tmp_add_class_44;
  cmsghdr* tmp_add_class_45;
  gaicb* tmp_add_class_46;
  group_filter* tmp_add_class_47;
  group_req* tmp_add_class_48;
  group_source_req* tmp_add_class_49;
  hostent* tmp_add_class_50;
  in6_addr* tmp_add_class_51;
  in6_pktinfo* tmp_add_class_52;
  in_addr* tmp_add_class_53;
  in_pktinfo* tmp_add_class_54;
  iovec* tmp_add_class_55;
  ip6_mtuinfo* tmp_add_class_56;
  ip_mreq* tmp_add_class_57;
  ip_mreq_source* tmp_add_class_58;
  ip_mreqn* tmp_add_class_59;
  ip_msfilter* tmp_add_class_60;
  ip_opts* tmp_add_class_61;
  ipv6_mreq* tmp_add_class_62;
  linger* tmp_add_class_63;
  mmsghdr* tmp_add_class_64;
  msghdr* tmp_add_class_65;
  netent* tmp_add_class_66;
  osockaddr* tmp_add_class_67;
  protoent* tmp_add_class_68;
  rpcent* tmp_add_class_69;
  servent* tmp_add_class_70;
  sockaddr* tmp_add_class_71;
  sockaddr_in* tmp_add_class_72;
  sockaddr_in6* tmp_add_class_73;
  sockaddr_storage* tmp_add_class_74;
  ucred* tmp_add_class_75;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/5llKH43roE/dump1.h"  -I/usr/include/libxml2