Temporary header file '/tmp/MN6XhR3BWS/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
#ifdef __cplusplus
// C17 compat layer
#define _Alignof(type) alignof(type)
#endif
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/sqlite3.h"
  #include "/usr/include/spatialite.h"
  #include "/usr/include/spatialite/control_points.h"
  #include "/usr/include/spatialite/debug.h"
  #include "/usr/include/spatialite/gaia_network.h"
  #include "/usr/include/spatialite/gaia_topology.h"
  #include "/usr/include/spatialite/gaiaaux.h"
  #include "/usr/include/spatialite/gaiaconfig-msvc.h"
  #include "/usr/include/spatialite/gaiaconfig.h"
  #include "/usr/include/spatialite/gaiaexif.h"
  #include "/usr/include/spatialite/gaiageo.h"
  #include "/usr/include/spatialite/gaiamatrix.h"
  #include "/usr/include/spatialite/geojson.h"
  #include "/usr/include/spatialite/geopackage.h"
  #include "/usr/include/spatialite/gg_advanced.h"
  #include "/usr/include/spatialite/gg_const.h"
  #include "/usr/include/spatialite/gg_core.h"
  #include "/usr/include/spatialite/gg_dxf.h"
  #include "/usr/include/spatialite/gg_dynamic.h"
  #include "/usr/include/spatialite/gg_formats.h"
  #include "/usr/include/spatialite/gg_mbr.h"
  #include "/usr/include/spatialite/gg_sequence.h"
  #include "/usr/include/spatialite/gg_structs.h"
  #include "/usr/include/spatialite/gg_wfs.h"
  #include "/usr/include/spatialite/gg_xml.h"
  #include "/usr/include/spatialite/spatialite_ext.h"
  #include "/usr/include/spatialite/sqlite.h"
  #include "/usr/include/spatialite/stored_procedures.h"
  #include "/usr/include/spatialite_private.h"
  #include "/usr/include/spatialite/sqlite3.h"

  // add classes
  Fts5ExtensionApi* tmp_add_class_0;
  Fts5PhraseIter* tmp_add_class_1;
  _G_fpos64_t* tmp_add_class_2;
  _G_fpos_t* tmp_add_class_3;
  _IO_cookie_io_functions_t* tmp_add_class_4;
  epsg_defs* tmp_add_class_5;
  fts5_api* tmp_add_class_6;
  fts5_tokenizer* tmp_add_class_7;
  gaiaAttributeFieldDoubleRangeInfos* tmp_add_class_8;
  gaiaAttributeFieldIntRangeInfos* tmp_add_class_9;
  gaiaAttributeFieldMaxSizeInfos* tmp_add_class_10;
  gaiaDbfFieldStruct* tmp_add_class_11;
  gaiaDbfListStruct* tmp_add_class_12;
  gaiaDbfStruct* tmp_add_class_13;
  gaiaDynamicLineStruct* tmp_add_class_14;
  gaiaExifTagListStruct* tmp_add_class_15;
  gaiaExifTagStruct* tmp_add_class_16;
  gaiaGeomCollStruct* tmp_add_class_17;
  gaiaLayerAttributeFieldInfos* tmp_add_class_18;
  gaiaLayerAuthInfos* tmp_add_class_19;
  gaiaLayerExtentInfos* tmp_add_class_20;
  gaiaLinestringStruct* tmp_add_class_21;
  gaiaMemFileStruct* tmp_add_class_22;
  gaiaOutBufferStruct* tmp_add_class_23;
  gaiaPointStruct* tmp_add_class_24;
  gaiaPolygonStruct* tmp_add_class_25;
  gaiaPreRingStruct* tmp_add_class_26;
  gaiaProjAreaStr* tmp_add_class_27;
  gaiaRingStruct* tmp_add_class_28;
  gaiaShapefileStruct* tmp_add_class_29;
  gaiaSqlProc_VarListStruct* tmp_add_class_30;
  gaiaSqlProc_VariableStruct* tmp_add_class_31;
  gaiaValueStruct* tmp_add_class_32;
  gaiaVectorLayerItem* tmp_add_class_33;
  gaiaVectorLayersListStr* tmp_add_class_34;
  gaia_control_points* tmp_add_class_35;
  gaia_dxf_arc* tmp_add_class_36;
  gaia_dxf_block* tmp_add_class_37;
  gaia_dxf_boundary_path* tmp_add_class_38;
  gaia_dxf_circle* tmp_add_class_39;
  gaia_dxf_extra_attr* tmp_add_class_40;
  gaia_dxf_hatch* tmp_add_class_41;
  gaia_dxf_hatch_segm* tmp_add_class_42;
  gaia_dxf_hole* tmp_add_class_43;
  gaia_dxf_insert* tmp_add_class_44;
  gaia_dxf_layer* tmp_add_class_45;
  gaia_dxf_parser* tmp_add_class_46;
  gaia_dxf_point* tmp_add_class_47;
  gaia_dxf_polyline* tmp_add_class_48;
  gaia_dxf_text* tmp_add_class_49;
  gaia_dxf_write* tmp_add_class_50;
  gaia_sequence* tmp_add_class_51;
  gaia_variant_value* tmp_add_class_52;
  geojson_block_str* tmp_add_class_53;
  geojson_column_str* tmp_add_class_54;
  geojson_entry_str* tmp_add_class_55;
  geojson_feature_str* tmp_add_class_56;
  geojson_keyval_str* tmp_add_class_57;
  geojson_parser_str* tmp_add_class_58;
  geojson_property_str* tmp_add_class_59;
  geojson_stack* tmp_add_class_60;
  geojson_stack_entry_str* tmp_add_class_61;
  gzFile_s* tmp_add_class_62;
  gz_header_s* tmp_add_class_63;
  splite_geos_cache_item* tmp_add_class_64;
  splite_internal_cache* tmp_add_class_65;
  splite_savepoint* tmp_add_class_66;
  splite_vtable_extent* tmp_add_class_67;
  splite_xmlSchema_cache_item* tmp_add_class_68;
  sqlite3_file* tmp_add_class_69;
  sqlite3_index_info* tmp_add_class_70;
  sqlite3_io_methods* tmp_add_class_71;
  sqlite3_mem_methods* tmp_add_class_72;
  sqlite3_module* tmp_add_class_73;
  sqlite3_mutex_methods* tmp_add_class_74;
  sqlite3_pcache_methods* tmp_add_class_75;
  sqlite3_pcache_methods2* tmp_add_class_76;
  sqlite3_pcache_page* tmp_add_class_77;
  sqlite3_rtree_geometry* tmp_add_class_78;
  sqlite3_rtree_query_info* tmp_add_class_79;
  sqlite3_snapshot* tmp_add_class_80;
  sqlite3_vfs* tmp_add_class_81;
  sqlite3_vtab* tmp_add_class_82;
  sqlite3_vtab_cursor* tmp_add_class_83;
  vrttxt_column_header* tmp_add_class_84;
  vrttxt_line* tmp_add_class_85;
  vrttxt_reader* tmp_add_class_86;
  vrttxt_row* tmp_add_class_87;
  vrttxt_row_block* tmp_add_class_88;
  vxpath_namespaces* tmp_add_class_89;
  vxpath_ns* tmp_add_class_90;
  z_stream_s* tmp_add_class_91;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/MN6XhR3BWS/dump1.h"