Temporary header file '/tmp/3_Uaf3juSg/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/libdevmapper-event.h"
  #include "/usr/include/libdevmapper.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;
  dm_config_node* tmp_add_class_3;
  dm_config_node_out_spec* tmp_add_class_4;
  dm_config_tree* tmp_add_class_5;
  dm_config_value* tmp_add_class_6;
  dm_deps* tmp_add_class_7;
  dm_info* tmp_add_class_8;
  dm_list* tmp_add_class_9;
  dm_names* tmp_add_class_10;
  dm_report_field_reserved_value* tmp_add_class_11;
  dm_report_field_type* tmp_add_class_12;
  dm_report_object_type* tmp_add_class_13;
  dm_report_reserved_value* tmp_add_class_14;
  dm_status_cache* tmp_add_class_15;
  dm_status_mirror* tmp_add_class_16;
  dm_status_raid* tmp_add_class_17;
  dm_status_snapshot* tmp_add_class_18;
  dm_status_thin* tmp_add_class_19;
  dm_status_thin_pool* tmp_add_class_20;
  dm_str_list* tmp_add_class_21;
  dm_tree_node_raid_params* tmp_add_class_22;
  dm_tree_node_raid_params_v2* tmp_add_class_23;
  dm_versions* tmp_add_class_24;
  statx_timestamp* tmp_add_class_25;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/3_Uaf3juSg/dump1.h"