Temporary header file '/tmp/P1cT66e3hw/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
typedef float _Float32;
typedef long double _Float64;
typedef double _Float32x;

  // add includes
  #include "/usr/include/et/com_err.h"
  #include "/usr/include/e2p/e2p.h"
  #include "/usr/include/ext2fs/ext2_err.h"
  #include "/usr/include/ext2fs/ext2_ext_attr.h"
  #include "/usr/include/ext2fs/ext2_fs.h"
  #include "/usr/include/ext2fs/ext2_io.h"
  #include "/usr/include/ext2fs/ext2_types.h"
  #include "/usr/include/ext2fs/ext2fs.h"
  #include "/usr/include/ext2fs/ext3_extents.h"
  #include "/usr/include/ext2fs/hashmap.h"
  #include "/usr/include/ext2fs/qcow2.h"
  #include "/usr/include/ext2fs/tdb.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -U__cplusplus -D_Bool="bool" -x c++ -fpermissive -w "/tmp/P1cT66e3hw/dump1.h"