Temporary header file '/tmp/jSGEtBtzNH/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

  // add includes
  #include "/usr/include/yaml-cpp/anchor.h"
  #include "/usr/include/yaml-cpp/binary.h"
  #include "/usr/include/yaml-cpp/contrib/anchordict.h"
  #include "/usr/include/yaml-cpp/contrib/graphbuilder.h"
  #include "/usr/include/yaml-cpp/depthguard.h"
  #include "/usr/include/yaml-cpp/dll.h"
  #include "/usr/include/yaml-cpp/emitfromevents.h"
  #include "/usr/include/yaml-cpp/emitter.h"
  #include "/usr/include/yaml-cpp/emitterdef.h"
  #include "/usr/include/yaml-cpp/emittermanip.h"
  #include "/usr/include/yaml-cpp/emitterstyle.h"
  #include "/usr/include/yaml-cpp/eventhandler.h"
  #include "/usr/include/yaml-cpp/exceptions.h"
  #include "/usr/include/yaml-cpp/mark.h"
  #include "/usr/include/yaml-cpp/node/convert.h"
  #include "/usr/include/yaml-cpp/node/detail/impl.h"
  #include "/usr/include/yaml-cpp/node/detail/iterator.h"
  #include "/usr/include/yaml-cpp/node/detail/iterator_fwd.h"
  #include "/usr/include/yaml-cpp/node/detail/memory.h"
  #include "/usr/include/yaml-cpp/node/detail/node.h"
  #include "/usr/include/yaml-cpp/node/detail/node_data.h"
  #include "/usr/include/yaml-cpp/node/detail/node_iterator.h"
  #include "/usr/include/yaml-cpp/node/detail/node_ref.h"
  #include "/usr/include/yaml-cpp/node/emit.h"
  #include "/usr/include/yaml-cpp/node/impl.h"
  #include "/usr/include/yaml-cpp/node/iterator.h"
  #include "/usr/include/yaml-cpp/node/node.h"
  #include "/usr/include/yaml-cpp/node/parse.h"
  #include "/usr/include/yaml-cpp/node/ptr.h"
  #include "/usr/include/yaml-cpp/node/type.h"
  #include "/usr/include/yaml-cpp/noexcept.h"
  #include "/usr/include/yaml-cpp/null.h"
  #include "/usr/include/yaml-cpp/ostream_wrapper.h"
  #include "/usr/include/yaml-cpp/parser.h"
  #include "/usr/include/yaml-cpp/stlemitter.h"
  #include "/usr/include/yaml-cpp/traits.h"
  #include "/usr/include/yaml-cpp/yaml.h"

  // add namespaces
  namespace YAML{typedef int tmp_add_type_1;}
  YAML::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace YAML{namespace conversion{typedef int tmp_add_type_2;}}
  YAML::conversion::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace YAML{namespace detail{typedef int tmp_add_type_3;}}
  YAML::detail::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace YAML{namespace ErrorMsg{typedef int tmp_add_type_4;}}
  YAML::ErrorMsg::tmp_add_type_4 tmp_add_func_4(){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;

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