The GCC parameters:
gcc -fdump-translation-unit -fkeep-inline-functions -c -x c++-header -fpermissive -w -fPIC -std=c++11 "/tmp/425fBiY54p/dump1.h" -I/usr/include/i386-linux-gnu/qt5 -I/usr/include/i386-linux-gnu/qt5/QtWidgets -I/usr/include/i386-linux-gnu/qt5/QtWebKitWidgets -I/usr/include/i386-linux-gnu/qt5/QtGui -I/usr/include/i386-linux-gnu/qt5/QtCore
In file included from /usr/include/c++/6/atomic:41:0,
from /usr/include/i386-linux-gnu/qt5/QtCore/qatomic_cxx11.h:45,
from /usr/include/i386-linux-gnu/qt5/QtCore/qbasicatomic.h:53,
from /usr/include/i386-linux-gnu/qt5/QtCore/qatomic.h:46,
from /usr/include/i386-linux-gnu/qt5/QtCore/qglobal.h:1145,
from /usr/include/i386-linux-gnu/qt5/QtGui/qwindowdefs.h:43,
from /usr/include/i386-linux-gnu/qt5/QtWidgets/qwidget.h:43,
from /usr/include/i386-linux-gnu/qt5/QtWidgets/qdialog.h:43,
from /usr/include/i386-linux-gnu/qt5/QtWidgets/QDialog:1,
from /usr/include/marble/QtMarbleConfigDialog.h:14,
from /tmp/425fBiY54p/dump1.h:3:
/usr/include/c++/6/bits/atomic_base.h: In member function ‘std::atomic<bool>::operator bool() const’:
/usr/include/c++/6/bits/atomic_base.h:390:7: error: inlining failed in call to always_inline ‘std::__atomic_base<_IntTp>::__int_type std::__atomic_base<_IntTp>::load(std::memory_order) const noexcept [with _ITp = bool; std::__atomic_base<_IntTp>::__int_type = bool; std::memory_order = std::memory_order]’: function body not available
load(memory_order __m = memory_order_seq_cst) const noexcept
^~~~
In file included from /usr/include/i386-linux-gnu/qt5/QtCore/qatomic_cxx11.h:45:0,
from /usr/include/i386-linux-gnu/qt5/QtCore/qbasicatomic.h:53,
from /usr/include/i386-linux-gnu/qt5/QtCore/qatomic.h:46,
from /usr/include/i386-linux-gnu/qt5/QtCore/qglobal.h:1145,
from /usr/include/i386-linux-gnu/qt5/QtGui/qwindowdefs.h:43,
from /usr/include/i386-linux-gnu/qt5/QtWidgets/qwidget.h:43,
from /usr/include/i386-linux-gnu/qt5/QtWidgets/qdialog.h:43,
from /usr/include/i386-linux-gnu/qt5/QtWidgets/QDialog:1,
from /usr/include/marble/QtMarbleConfigDialog.h:14,
from /tmp/425fBiY54p/dump1.h:3:
/usr/include/c++/6/atomic:81:27: note: called from here
{ return _M_base.load(); }
^