Temporary header file '/tmp/Ruiv1IkdXI/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/libs3.h"

  // add classes
  S3AclGrant* tmp_add_class_0;
  S3BucketContext* tmp_add_class_1;
  S3ErrorDetails* tmp_add_class_2;
  S3GetConditions* tmp_add_class_3;
  S3GetObjectHandler* tmp_add_class_4;
  S3ListBucketContent* tmp_add_class_5;
  S3ListBucketHandler* tmp_add_class_6;
  S3ListServiceHandler* tmp_add_class_7;
  S3NameValue* tmp_add_class_8;
  S3PutObjectHandler* tmp_add_class_9;
  S3PutProperties* tmp_add_class_10;
  S3ResponseHandler* tmp_add_class_11;
  S3ResponseProperties* tmp_add_class_12;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/Ruiv1IkdXI/dump1.h"