Temporary header file '/tmp/3MFPfaw0SQ/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/gmock/gmock-actions.h"
  #include "/usr/include/gmock/gmock-cardinalities.h"
  #include "/usr/include/gmock/gmock-function-mocker.h"
  #include "/usr/include/gmock/gmock-matchers.h"
  #include "/usr/include/gmock/gmock-more-actions.h"
  #include "/usr/include/gmock/gmock-more-matchers.h"
  #include "/usr/include/gmock/gmock-nice-strict.h"
  #include "/usr/include/gmock/gmock-spec-builders.h"
  #include "/usr/include/gmock/gmock.h"
  #include "/usr/include/gmock/internal/custom/gmock-generated-actions.h"
  #include "/usr/include/gmock/internal/custom/gmock-matchers.h"
  #include "/usr/include/gmock/internal/custom/gmock-port.h"
  #include "/usr/include/gmock/internal/gmock-internal-utils.h"
  #include "/usr/include/gmock/internal/gmock-port.h"
  #include "/usr/include/gmock/internal/gmock-pp.h"

  // add namespaces
  namespace proto2{typedef int tmp_add_type_1;}
  proto2::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace testing{typedef int tmp_add_type_2;}
  testing::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace testing{namespace internal{typedef int tmp_add_type_3;}}
  testing::internal::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace testing{namespace internal{namespace posix{typedef int tmp_add_type_4;}}}
  testing::internal::posix::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace testing{namespace internal{namespace any_cast_matcher{typedef int tmp_add_type_5;}}}
  testing::internal::any_cast_matcher::tmp_add_type_5 tmp_add_func_5(){return 0;};
  namespace testing{namespace internal{namespace edit_distance{typedef int tmp_add_type_6;}}}
  testing::internal::edit_distance::tmp_add_type_6 tmp_add_func_6(){return 0;};
  namespace testing{namespace internal{namespace internal_stream_operator_without_lexical_name_lookup{typedef int tmp_add_type_7;}}}
  testing::internal::internal_stream_operator_without_lexical_name_lookup::tmp_add_type_7 tmp_add_func_7(){return 0;};
  namespace testing{namespace internal{namespace pair_getters{typedef int tmp_add_type_8;}}}
  testing::internal::pair_getters::tmp_add_type_8 tmp_add_func_8(){return 0;};
  namespace testing{namespace internal{namespace variant_matcher{typedef int tmp_add_type_9;}}}
  testing::internal::variant_matcher::tmp_add_type_9 tmp_add_func_9(){return 0;};
  namespace testing{namespace no_adl{typedef int tmp_add_type_10;}}
  testing::no_adl::tmp_add_type_10 tmp_add_func_10(){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;
  re_pattern_buffer* tmp_add_class_3;
  re_registers* tmp_add_class_4;
  statx_timestamp* tmp_add_class_5;
  ucontext_t* tmp_add_class_6;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/3MFPfaw0SQ/dump1.h"