Temporary header file '/tmp/Bd67TkMSPr/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
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/arm-linux-gnueabihf/qt6/QtTextToSpeech/qtexttospeech.h"
  #include "/usr/include/arm-linux-gnueabihf/qt6/QtTextToSpeech/qtexttospeech_global.h"
  #include "/usr/include/arm-linux-gnueabihf/qt6/QtTextToSpeech/qtexttospeechengine.h"
  #include "/usr/include/arm-linux-gnueabihf/qt6/QtTextToSpeech/qtexttospeechplugin.h"
  #include "/usr/include/arm-linux-gnueabihf/qt6/QtTextToSpeech/qttexttospeech-config.h"
  #include "/usr/include/arm-linux-gnueabihf/qt6/QtTextToSpeech/qttexttospeechversion.h"
  #include "/usr/include/arm-linux-gnueabihf/qt6/QtTextToSpeech/qvoice.h"

  // add namespaces
  namespace QAlgorithmsPrivate{typedef int tmp_add_type_1;}
  QAlgorithmsPrivate::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace QContainerInfo{typedef int tmp_add_type_2;}
  QContainerInfo::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace QHashPrivate{typedef int tmp_add_type_3;}
  QHashPrivate::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace QHashPrivate{namespace GrowthPolicy{typedef int tmp_add_type_4;}}
  QHashPrivate::GrowthPolicy::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace Qt{typedef int tmp_add_type_5;}
  Qt::tmp_add_type_5 tmp_add_func_5(){return 0;};
  namespace Qt{namespace Literals{typedef int tmp_add_type_6;}}
  Qt::Literals::tmp_add_type_6 tmp_add_func_6(){return 0;};
  namespace Qt{namespace Literals{namespace StringLiterals{typedef int tmp_add_type_7;}}}
  Qt::Literals::StringLiterals::tmp_add_type_7 tmp_add_func_7(){return 0;};
  namespace QtGlobalStatic{typedef int tmp_add_type_8;}
  QtGlobalStatic::tmp_add_type_8 tmp_add_func_8(){return 0;};
  namespace QtLiterals{typedef int tmp_add_type_9;}
  QtLiterals::tmp_add_type_9 tmp_add_func_9(){return 0;};
  namespace QtMetaContainerPrivate{typedef int tmp_add_type_10;}
  QtMetaContainerPrivate::tmp_add_type_10 tmp_add_func_10(){return 0;};
  namespace QtMetaTypePrivate{typedef int tmp_add_type_11;}
  QtMetaTypePrivate::tmp_add_type_11 tmp_add_func_11(){return 0;};
  namespace QtPrivate{typedef int tmp_add_type_12;}
  QtPrivate::tmp_add_type_12 tmp_add_func_12(){return 0;};
  namespace QtPrivate{namespace detail{typedef int tmp_add_type_13;}}
  QtPrivate::detail::tmp_add_type_13 tmp_add_func_13(){return 0;};
  namespace QtPrivate{namespace SwapExceptionTester{typedef int tmp_add_type_14;}}
  QtPrivate::SwapExceptionTester::tmp_add_type_14 tmp_add_func_14(){return 0;};
  namespace QtPrivate{namespace Tok{typedef int tmp_add_type_15;}}
  QtPrivate::Tok::tmp_add_type_15 tmp_add_func_15(){return 0;};
  namespace QtSharedPointer{typedef int tmp_add_type_16;}
  QtSharedPointer::tmp_add_type_16 tmp_add_func_16(){return 0;};
  namespace QTypeTraits{typedef int tmp_add_type_17;}
  QTypeTraits::tmp_add_type_17 tmp_add_func_17(){return 0;};
  namespace QTypeTraits{namespace detail{typedef int tmp_add_type_18;}}
  QTypeTraits::detail::tmp_add_type_18 tmp_add_func_18(){return 0;};
  namespace q_has_char8_t{typedef int tmp_add_type_19;}
  q_has_char8_t::tmp_add_type_19 tmp_add_func_19(){return 0;};
  namespace q_no_char8_t{typedef int tmp_add_type_20;}
  q_no_char8_t::tmp_add_type_20 tmp_add_func_20(){return 0;};

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/Bd67TkMSPr/dump1.h"  -I/usr/include/arm-linux-gnueabihf/qt6

In file included from /tmp/Bd67TkMSPr/dump1.h:12:
/usr/include/arm-linux-gnueabihf/qt6/QtTextToSpeech/qtexttospeech.h:17:10: fatal error: QtQmlIntegration/qqmlintegration.h: No such file or directory
   17 | #include <QtQmlIntegration/qqmlintegration.h>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.