Temporary header file '/tmp/SMQ_NZp4gp/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _FILE_OFFSET_BITS 64
#define _GXX_NULLPTR_T
#define CLUTTER_ENABLE_COMPOSITOR_API 1
#define _REGEX_NELTS(n)
#define _Atomic
#define PACKED

  // add includes
  #include "/usr/include/libxml2/libxml/DOCBparser.h"
  #include "/usr/include/libxml2/libxml/HTMLparser.h"
  #include "/usr/include/libxml2/libxml/HTMLtree.h"
  #include "/usr/include/libxml2/libxml/SAX.h"
  #include "/usr/include/libxml2/libxml/SAX2.h"
  #include "/usr/include/libxml2/libxml/c14n.h"
  #include "/usr/include/libxml2/libxml/catalog.h"
  #include "/usr/include/libxml2/libxml/chvalid.h"
  #include "/usr/include/libxml2/libxml/debugXML.h"
  #include "/usr/include/libxml2/libxml/dict.h"
  #include "/usr/include/libxml2/libxml/encoding.h"
  #include "/usr/include/libxml2/libxml/entities.h"
  #include "/usr/include/libxml2/libxml/globals.h"
  #include "/usr/include/libxml2/libxml/hash.h"
  #include "/usr/include/libxml2/libxml/list.h"
  #include "/usr/include/libxml2/libxml/nanoftp.h"
  #include "/usr/include/libxml2/libxml/nanohttp.h"
  #include "/usr/include/libxml2/libxml/parser.h"
  #include "/usr/include/libxml2/libxml/parserInternals.h"
  #include "/usr/include/libxml2/libxml/pattern.h"
  #include "/usr/include/libxml2/libxml/relaxng.h"
  #include "/usr/include/libxml2/libxml/schemasInternals.h"
  #include "/usr/include/libxml2/libxml/schematron.h"
  #include "/usr/include/libxml2/libxml/threads.h"
  #include "/usr/include/libxml2/libxml/tree.h"
  #include "/usr/include/libxml2/libxml/uri.h"
  #include "/usr/include/libxml2/libxml/valid.h"
  #include "/usr/include/libxml2/libxml/xinclude.h"
  #include "/usr/include/libxml2/libxml/xlink.h"
  #include "/usr/include/libxml2/libxml/xmlIO.h"
  #include "/usr/include/libxml2/libxml/xmlautomata.h"
  #include "/usr/include/libxml2/libxml/xmlerror.h"
  #include "/usr/include/libxml2/libxml/xmlexports.h"
  #include "/usr/include/libxml2/libxml/xmlmemory.h"
  #include "/usr/include/libxml2/libxml/xmlmodule.h"
  #include "/usr/include/libxml2/libxml/xmlreader.h"
  #include "/usr/include/libxml2/libxml/xmlregexp.h"
  #include "/usr/include/libxml2/libxml/xmlsave.h"
  #include "/usr/include/libxml2/libxml/xmlschemas.h"
  #include "/usr/include/libxml2/libxml/xmlschemastypes.h"
  #include "/usr/include/libxml2/libxml/xmlstring.h"
  #include "/usr/include/libxml2/libxml/xmlunicode.h"
  #include "/usr/include/libxml2/libxml/xmlversion.h"
  #include "/usr/include/libxml2/libxml/xmlwriter.h"
  #include "/usr/include/libxml2/libxml/xpath.h"
  #include "/usr/include/libxml2/libxml/xpathInternals.h"
  #include "/usr/include/libxml2/libxml/xpointer.h"

  // add namespaces
  namespace icu_71{typedef int tmp_add_type_1;}
  icu_71::tmp_add_type_1 tmp_add_func_1(){return 0;};

  // 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;
  _htmlElemDesc* tmp_add_class_3;
  _htmlEntityDesc* tmp_add_class_4;
  _uconv_t* tmp_add_class_5;
  _xlinkHandler* tmp_add_class_6;
  _xmlAttr* tmp_add_class_7;
  _xmlAttribute* tmp_add_class_8;
  _xmlBuffer* tmp_add_class_9;
  _xmlChLRange* tmp_add_class_10;
  _xmlChRangeGroup* tmp_add_class_11;
  _xmlChSRange* tmp_add_class_12;
  _xmlCharEncodingHandler* tmp_add_class_13;
  _xmlDOMWrapCtxt* tmp_add_class_14;
  _xmlDoc* tmp_add_class_15;
  _xmlDtd* tmp_add_class_16;
  _xmlElement* tmp_add_class_17;
  _xmlElementContent* tmp_add_class_18;
  _xmlEntity* tmp_add_class_19;
  _xmlEnumeration* tmp_add_class_20;
  _xmlError* tmp_add_class_21;
  _xmlGlobalState* tmp_add_class_22;
  _xmlID* tmp_add_class_23;
  _xmlLocationSet* tmp_add_class_24;
  _xmlNode* tmp_add_class_25;
  _xmlNodeSet* tmp_add_class_26;
  _xmlNotation* tmp_add_class_27;
  _xmlNs* tmp_add_class_28;
  _xmlOutputBuffer* tmp_add_class_29;
  _xmlParserCtxt* tmp_add_class_30;
  _xmlParserInput* tmp_add_class_31;
  _xmlParserInputBuffer* tmp_add_class_32;
  _xmlParserNodeInfo* tmp_add_class_33;
  _xmlParserNodeInfoSeq* tmp_add_class_34;
  _xmlRef* tmp_add_class_35;
  _xmlSAXHandler* tmp_add_class_36;
  _xmlSAXHandlerV1* tmp_add_class_37;
  _xmlSAXLocator* tmp_add_class_38;
  _xmlSchema* tmp_add_class_39;
  _xmlSchemaAnnot* tmp_add_class_40;
  _xmlSchemaAttribute* tmp_add_class_41;
  _xmlSchemaAttributeGroup* tmp_add_class_42;
  _xmlSchemaAttributeLink* tmp_add_class_43;
  _xmlSchemaElement* tmp_add_class_44;
  _xmlSchemaFacet* tmp_add_class_45;
  _xmlSchemaFacetLink* tmp_add_class_46;
  _xmlSchemaNotation* tmp_add_class_47;
  _xmlSchemaType* tmp_add_class_48;
  _xmlSchemaTypeLink* tmp_add_class_49;
  _xmlSchemaWildcard* tmp_add_class_50;
  _xmlSchemaWildcardNs* tmp_add_class_51;
  _xmlShellCtxt* tmp_add_class_52;
  _xmlURI* tmp_add_class_53;
  _xmlValidCtxt* tmp_add_class_54;
  _xmlXPathAxis* tmp_add_class_55;
  _xmlXPathContext* tmp_add_class_56;
  _xmlXPathFunct* tmp_add_class_57;
  _xmlXPathObject* tmp_add_class_58;
  _xmlXPathParserContext* tmp_add_class_59;
  _xmlXPathType* tmp_add_class_60;
  _xmlXPathVariable* tmp_add_class_61;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/SMQ_NZp4gp/dump1.h"  -I/usr/include/libxml2