Temporary header file '/tmp/KH1OxOmhCW/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/KF5/MimeTreeParser/mimetreeparser/attachmenttemporaryfilesdirs.h"
  #include "/usr/include/KF5/MimeTreeParser/mimetreeparser/bodypart.h"
  #include "/usr/include/KF5/MimeTreeParser/mimetreeparser/bodypartformatter.h"
  #include "/usr/include/KF5/MimeTreeParser/mimetreeparser/bodypartformatterfactory.h"
  #include "/usr/include/KF5/MimeTreeParser/mimetreeparser/enums.h"
  #include "/usr/include/KF5/MimeTreeParser/mimetreeparser/messagepart.h"
  #include "/usr/include/KF5/MimeTreeParser/mimetreeparser/mimetreeparser_export.h"
  #include "/usr/include/KF5/MimeTreeParser/mimetreeparser/nodehelper.h"
  #include "/usr/include/KF5/MimeTreeParser/mimetreeparser/objecttreeparser.h"
  #include "/usr/include/KF5/MimeTreeParser/mimetreeparser/objecttreesource.h"
  #include "/usr/include/KF5/MimeTreeParser/mimetreeparser/partmetadata.h"
  #include "/usr/include/KF5/MimeTreeParser/mimetreeparser/partnodebodypart.h"
  #include "/usr/include/KF5/MimeTreeParser/mimetreeparser/simpleobjecttreesource.h"
  #include "/usr/include/KF5/MimeTreeParser/mimetreeparser/util.h"
  #include "/usr/include/KF5/MimeTreeParser/mimetreeparser_version.h"

  // add namespaces
  namespace GpgME{typedef int tmp_add_type_1;}
  GpgME::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace KMime{typedef int tmp_add_type_2;}
  KMime::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace KMime{namespace HeaderParsing{typedef int tmp_add_type_3;}}
  KMime::HeaderParsing::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace KMime{namespace Headers{typedef int tmp_add_type_4;}}
  KMime::Headers::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace KMime{namespace Headers{namespace Generics{typedef int tmp_add_type_5;}}}
  KMime::Headers::Generics::tmp_add_type_5 tmp_add_func_5(){return 0;};
  namespace KMime{namespace Types{typedef int tmp_add_type_6;}}
  KMime::Types::tmp_add_type_6 tmp_add_func_6(){return 0;};
  namespace MimeTreeParser{typedef int tmp_add_type_7;}
  MimeTreeParser::tmp_add_type_7 tmp_add_func_7(){return 0;};
  namespace MimeTreeParser{namespace Interface{typedef int tmp_add_type_8;}}
  MimeTreeParser::Interface::tmp_add_type_8 tmp_add_func_8(){return 0;};
  namespace MimeTreeParser{namespace Util{typedef int tmp_add_type_9;}}
  MimeTreeParser::Util::tmp_add_type_9 tmp_add_func_9(){return 0;};
  namespace QAlgorithmsPrivate{typedef int tmp_add_type_10;}
  QAlgorithmsPrivate::tmp_add_type_10 tmp_add_func_10(){return 0;};
  namespace QGpgME{typedef int tmp_add_type_11;}
  QGpgME::tmp_add_type_11 tmp_add_func_11(){return 0;};
  namespace Qt{typedef int tmp_add_type_12;}
  Qt::tmp_add_type_12 tmp_add_func_12(){return 0;};
  namespace QtGlobalStatic{typedef int tmp_add_type_13;}
  QtGlobalStatic::tmp_add_type_13 tmp_add_func_13(){return 0;};
  namespace QtMetaTypePrivate{typedef int tmp_add_type_14;}
  QtMetaTypePrivate::tmp_add_type_14 tmp_add_func_14(){return 0;};
  namespace QtMetaTypePrivate{namespace QtPrivate{typedef int tmp_add_type_15;}}
  QtMetaTypePrivate::QtPrivate::tmp_add_type_15 tmp_add_func_15(){return 0;};
  namespace QtMetaTypePrivate{namespace QtPrivate{namespace ContainerCapabilitiesMetaProgrammingHelper{typedef int tmp_add_type_16;}}}
  QtMetaTypePrivate::QtPrivate::ContainerCapabilitiesMetaProgrammingHelper::tmp_add_type_16 tmp_add_func_16(){return 0;};
  namespace QtPrivate{typedef int tmp_add_type_17;}
  QtPrivate::tmp_add_type_17 tmp_add_func_17(){return 0;};
  namespace QtPrivate{namespace DeprecatedRefClassBehavior{typedef int tmp_add_type_18;}}
  QtPrivate::DeprecatedRefClassBehavior::tmp_add_type_18 tmp_add_func_18(){return 0;};
  namespace QtPrivate{namespace SwapExceptionTester{typedef int tmp_add_type_19;}}
  QtPrivate::SwapExceptionTester::tmp_add_type_19 tmp_add_func_19(){return 0;};
  namespace QtSharedPointer{typedef int tmp_add_type_20;}
  QtSharedPointer::tmp_add_type_20 tmp_add_func_20(){return 0;};

  // add classes
  QArrayData* tmp_add_class_0;
  QAtomicInt* tmp_add_class_1;
  QByteArray* tmp_add_class_2;
  QByteArrayDataPtr* tmp_add_class_3;
  QByteRef* tmp_add_class_4;
  QChar* tmp_add_class_5;
  QCharRef* tmp_add_class_6;
  QDate* tmp_add_class_7;
  QDateTime* tmp_add_class_8;
  QFlag* tmp_add_class_9;
  QGenericArgument* tmp_add_class_10;
  QGenericReturnArgument* tmp_add_class_11;
  QHashData* tmp_add_class_12;
  QHashDummyValue* tmp_add_class_13;
  QIncompatibleFlag* tmp_add_class_14;
  QInternal* tmp_add_class_15;
  QLatin1Char* tmp_add_class_16;
  QLatin1String* tmp_add_class_17;
  QListData* tmp_add_class_18;
  QMapDataBase* tmp_add_class_19;
  QMapNodeBase* tmp_add_class_20;
  QMessageLogContext* tmp_add_class_21;
  QMessageLogger* tmp_add_class_22;
  QMetaObject* tmp_add_class_23;
  QMetaType* tmp_add_class_24;
  QObject* tmp_add_class_25;
  QObjectData* tmp_add_class_26;
  QObjectUserData* tmp_add_class_27;
  QRegExp* tmp_add_class_28;
  QScopedPointerPodDeleter* tmp_add_class_29;
  QSharedData* tmp_add_class_30;
  QSignalBlocker* tmp_add_class_31;
  QString* tmp_add_class_32;
  QStringDataPtr* tmp_add_class_33;
  QStringList* tmp_add_class_34;
  QStringMatcher* tmp_add_class_35;
  QStringRef* tmp_add_class_36;
  QStringView* tmp_add_class_37;
  QSysInfo* tmp_add_class_38;
  QTime* tmp_add_class_39;
  _G_fpos64_t* tmp_add_class_40;
  _G_fpos_t* tmp_add_class_41;
  _IO_cookie_io_functions_t* tmp_add_class_42;
  _gpgrt__stream* tmp_add_class_43;
  _gpgrt_cookie_io_functions* tmp_add_class_44;
  _gpgrt_poll_s* tmp_add_class_45;
  _gpgrt_syshd* tmp_add_class_46;
  itimerval* tmp_add_class_47;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/KH1OxOmhCW/dump1.h"  -I/usr/include/KF5/MimeTreeParser -I/usr/include/arm-linux-gnueabihf/qt5 -I/usr/include/KF5/KMime -I/usr/include/arm-linux-gnueabihf/qt5/QtCore