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

  // add includes
  #include "/usr/include/fmt/args.h"
  #include "/usr/include/fmt/chrono.h"
  #include "/usr/include/fmt/color.h"
  #include "/usr/include/fmt/compile.h"
  #include "/usr/include/fmt/core.h"
  #include "/usr/include/fmt/format-inl.h"
  #include "/usr/include/fmt/format.h"
  #include "/usr/include/fmt/os.h"
  #include "/usr/include/fmt/ostream.h"
  #include "/usr/include/fmt/printf.h"
  #include "/usr/include/fmt/ranges.h"
  #include "/usr/include/fmt/std.h"
  #include "/usr/include/fmt/xchar.h"

  // add namespaces
  namespace fmt{typedef int tmp_add_type_1;}
  fmt::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace fmt{namespace v9{typedef int tmp_add_type_2;}}
  fmt::v9::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace fmt{namespace v9{namespace align{typedef int tmp_add_type_3;}}}
  fmt::v9::align::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace fmt{namespace v9{namespace detail{typedef int tmp_add_type_4;}}}
  fmt::v9::detail::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace fmt{namespace v9{namespace detail{namespace digits{typedef int tmp_add_type_5;}}}}
  fmt::v9::detail::digits::tmp_add_type_5 tmp_add_func_5(){return 0;};
  namespace fmt{namespace v9{namespace detail{namespace dragonbox{typedef int tmp_add_type_6;}}}}
  fmt::v9::detail::dragonbox::tmp_add_type_6 tmp_add_func_6(){return 0;};
  namespace fmt{namespace v9{namespace enums{typedef int tmp_add_type_7;}}}
  fmt::v9::enums::tmp_add_type_7 tmp_add_func_7(){return 0;};
  namespace fmt{namespace v9{namespace literals{typedef int tmp_add_type_8;}}}
  fmt::v9::literals::tmp_add_type_8 tmp_add_func_8(){return 0;};
  namespace fmt{namespace v9{namespace sign{typedef int tmp_add_type_9;}}}
  fmt::v9::sign::tmp_add_type_9 tmp_add_func_9(){return 0;};
  namespace fmt{namespace v9{namespace detail{namespace __anon3a6e28c19511{typedef int tmp_add_type_10;}}}}
  fmt::v9::detail::__anon3a6e28c19511::tmp_add_type_10 tmp_add_func_10(){return 0;};
  namespace fmt{namespace v9{namespace detail_exported{typedef int tmp_add_type_11;}}}
  fmt::v9::detail_exported::tmp_add_type_11 tmp_add_func_11(){return 0;};
  namespace fmt{namespace v9{namespace safe_duration_cast{typedef int tmp_add_type_12;}}}
  fmt::v9::safe_duration_cast::tmp_add_type_12 tmp_add_func_12(){return 0;};

  // 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;
  f_owner_ex* tmp_add_class_3;
  file_handle* tmp_add_class_4;
  flock64* tmp_add_class_5;
  iovec* tmp_add_class_6;

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