Temporary header file '/tmp/l2N8D85J5f/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#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)

  // add includes
  #include "/usr/include/stdint.h"
  #include "/usr/include/samba-4.0/wbclient.h"

  // add classes
  group* tmp_add_class_0;
  passwd* tmp_add_class_1;
  wbcAuthErrorInfo* tmp_add_class_2;
  wbcAuthUserInfo* tmp_add_class_3;
  wbcAuthUserParams* tmp_add_class_4;
  wbcBlob* tmp_add_class_5;
  wbcChangePasswordParams* tmp_add_class_6;
  wbcCredentialCacheInfo* tmp_add_class_7;
  wbcCredentialCacheParams* tmp_add_class_8;
  wbcDomainControllerInfo* tmp_add_class_9;
  wbcDomainControllerInfoEx* tmp_add_class_10;
  wbcDomainSid* tmp_add_class_11;
  wbcGuid* tmp_add_class_12;
  wbcLogoffUserParams* tmp_add_class_13;
  wbcLogonUserInfo* tmp_add_class_14;
  wbcLogonUserParams* tmp_add_class_15;
  wbcNamedBlob* tmp_add_class_16;
  wbcSidWithAttr* tmp_add_class_17;
  wbcTranslatedName* tmp_add_class_18;
  wbcUnixId* tmp_add_class_19;
  wbcUnixIdContainer* tmp_add_class_20;
  wbcUserPasswordPolicyInfo* tmp_add_class_21;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/l2N8D85J5f/dump1.h"