Temporary header file '/tmp/gMgaOCdsEf/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) 
typedef float _Float32;
typedef long double _Float64;
typedef double _Float32x;

  // add includes
  #include "/usr/include/debian-installer/config.h"
  #include "/usr/include/debian-installer/exec.h"
  #include "/usr/include/debian-installer/hash.h"
  #include "/usr/include/debian-installer/list.h"
  #include "/usr/include/debian-installer/log.h"
  #include "/usr/include/debian-installer/macros.h"
  #include "/usr/include/debian-installer/mem.h"
  #include "/usr/include/debian-installer/mem_chunk.h"
  #include "/usr/include/debian-installer/package.h"
  #include "/usr/include/debian-installer/packages.h"
  #include "/usr/include/debian-installer/parser.h"
  #include "/usr/include/debian-installer/parser_rfc822.h"
  #include "/usr/include/debian-installer/release.h"
  #include "/usr/include/debian-installer/slist.h"
  #include "/usr/include/debian-installer/string.h"
  #include "/usr/include/debian-installer/system/devfs.h"
  #include "/usr/include/debian-installer/system/dpkg.h"
  #include "/usr/include/debian-installer/system/packages.h"
  #include "/usr/include/debian-installer/system/prebaseconfig.h"
  #include "/usr/include/debian-installer/system/subarch.h"
  #include "/usr/include/debian-installer/system/utils.h"
  #include "/usr/include/debian-installer/tree.h"
  #include "/usr/include/debian-installer/types.h"
  #include "/usr/include/debian-installer/utils.h"
  #include "/usr/include/debian-installer.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -U__cplusplus -D_Bool="bool" -fpreprocessed -x c++ -fpermissive -w "/tmp/gMgaOCdsEf/dump1.i"