Temporary header file '/tmp/vxDsOD_uCk/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
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/libpll/pll.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;
  pll_dlist* tmp_add_class_3;
  pll_fasta* tmp_add_class_4;
  pll_hardware_s* tmp_add_class_5;
  pll_msa_s* tmp_add_class_6;
  pll_operation* tmp_add_class_7;
  pll_pars_buildop_s* tmp_add_class_8;
  pll_pars_recop_s* tmp_add_class_9;
  pll_parsimony_s* tmp_add_class_10;
  pll_partition* tmp_add_class_11;
  pll_phylip_s* tmp_add_class_12;
  pll_random_data* tmp_add_class_13;
  pll_rnode_s* tmp_add_class_14;
  pll_rtree_s* tmp_add_class_15;
  pll_svg_attrib_s* tmp_add_class_16;
  pll_unode_s* tmp_add_class_17;
  pll_utree_rb_s* tmp_add_class_18;
  pll_utree_s* tmp_add_class_19;

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