Temporary header file '/tmp/OXTy3XVnwk/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/jose/b64.h"
  #include "/usr/include/jose/cfg.h"
  #include "/usr/include/jose/io.h"
  #include "/usr/include/jose/jose.h"
  #include "/usr/include/jose/jwe.h"
  #include "/usr/include/jose/jwk.h"
  #include "/usr/include/jose/jws.h"
  #include "/usr/include/jose/openssl.h"

  // add classes
  ASN1_ENCODING_st* tmp_add_class_0;
  BIO_sock_info_u* tmp_add_class_1;
  BIT_STRING_BITNAME_st* tmp_add_class_2;
  _G_fpos64_t* tmp_add_class_3;
  _G_fpos_t* tmp_add_class_4;
  _IO_cookie_io_functions_t* tmp_add_class_5;
  asn1_string_st* tmp_add_class_6;
  asn1_string_table_st* tmp_add_class_7;
  asn1_type_st* tmp_add_class_8;
  crypto_ex_data_st* tmp_add_class_9;
  crypto_threadid_st* tmp_add_class_10;
  evp_cipher_info_st* tmp_add_class_11;
  jose_io* tmp_add_class_12;
  json_error_t* tmp_add_class_13;
  json_t* tmp_add_class_14;
  obj_name_st* tmp_add_class_15;
  ossl_algorithm_st* tmp_add_class_16;
  ossl_dispatch_st* tmp_add_class_17;
  ossl_item_st* tmp_add_class_18;
  ossl_param_st* tmp_add_class_19;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/OXTy3XVnwk/dump1.h"