use an assert for a clearly internal error
use an assert for a clearly internal error

there are no external reasons why this could fail ...

Reviewed-by: dt

darksylinc/qt-creator,omniacreator/qtcreator,colede/qtcreator,colede/qtcreator,farseerri/git_code,bakaiadam/collaborative_qt_creator,pcacjr/qt-creator,bakaiadam/collaborative_qt_creator,dmik/qt-creator-os2,syntheticpp/qt-creator,Distrotech/qtcreator,KDE/android-qt-creator,KDE/android-qt-creator,martyone/sailfish-qtcreator,maui-packages/qt-creator,xianian/qt-creator,dmik/qt-creator-os2,Distrotech/qtcreator,ostash/qt-creator-i18n-uk,Distrotech/qtcreator,KDE/android-qt-creator,dmik/qt-creator-os2,omniacreator/qtcreator,azat/qtcreator,ostash/qt-creator-i18n-uk,malikcjm/qtcreator,amyvmiwei/qt-creator,hdweiss/qt-creator-visualizer,martyone/sailfish-qtcreator,syntheticpp/qt-creator,jonnor/qt-creator,Distrotech/qtcreator,AltarBeastiful/qt-creator,renatofilho/QtCreator,renatofilho/QtCreator,farseerri/git_code,omniacreator/qtcreator,hdweiss/qt-creator-visualizer,azat/qtcreator,dmik/qt-creator-os2,pcacjr/qt-creator,farseerri/git_code,danimo/qt-creator,darksylinc/qt-creator,Distrotech/qtcreator,kuba1/qtcreator,amyvmiwei/qt-creator,xianian/qt-creator,azat/qtcreator,malikcjm/qtcreator,xianian/qt-creator,bakaiadam/collaborative_qt_creator,maui-packages/qt-creator,malikcjm/qtcreator,AltarBeastiful/qt-creator,richardmg/qtcreator,kuba1/qtcreator,KDAB/KDAB-Creator,KDE/android-qt-creator,dmik/qt-creator-os2,hdweiss/qt-creator-visualizer,renatofilho/QtCreator,Distrotech/qtcreator,omniacreator/qtcreator,malikcjm/qtcreator,AltarBeastiful/qt-creator,danimo/qt-creator,colede/qtcreator,darksylinc/qt-creator,ostash/qt-creator-i18n-uk,darksylinc/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,kuba1/qtcreator,colede/qtcreator,KDAB/KDAB-Creator,duythanhphan/qt-creator,pcacjr/qt-creator,azat/qtcreator,renatofilho/QtCreator,jonnor/qt-creator,amyvmiwei/qt-creator,danimo/qt-creator,xianian/qt-creator,danimo/qt-creator,KDE/android-qt-creator,danimo/qt-creator,pcacjr/qt-creator,malikcjm/qtcreator,maui-packages/qt-creator,bakaiadam/collaborative_qt_creator,bakaiadam/collaborative_qt_creator,KDE/android-qt-creator,richardmg/qtcreator,maui-packages/qt-creator,kuba1/qtcreator,ostash/qt-creator-i18n-uk,dmik/qt-creator-os2,syntheticpp/qt-creator,jonnor/qt-creator,jonnor/qt-creator,farseerri/git_code,renatofilho/QtCreator,KDAB/KDAB-Creator,amyvmiwei/qt-creator,dmik/qt-creator-os2,AltarBeastiful/qt-creator,AltarBeastiful/qt-creator,jonnor/qt-creator,martyone/sailfish-qtcreator,ostash/qt-creator-i18n-uk,farseerri/git_code,martyone/sailfish-qtcreator,farseerri/git_code,duythanhphan/qt-creator,pcacjr/qt-creator,ostash/qt-creator-i18n-uk,danimo/qt-creator,xianian/qt-creator,xianian/qt-creator,KDAB/KDAB-Creator,azat/qtcreator,azat/qtcreator,pcacjr/qt-creator,bakaiadam/collaborative_qt_creator,xianian/qt-creator,danimo/qt-creator,bakaiadam/collaborative_qt_creator,martyone/sailfish-qtcreator,farseerri/git_code,amyvmiwei/qt-creator,xianian/qt-creator,xianian/qt-creator,farseerri/git_code,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,syntheticpp/qt-creator,darksylinc/qt-creator,duythanhphan/qt-creator,amyvmiwei/qt-creator,malikcjm/qtcreator,richardmg/qtcreator,KDAB/KDAB-Creator,omniacreator/qtcreator,hdweiss/qt-creator-visualizer,KDE/android-qt-creator,kuba1/qtcreator,AltarBeastiful/qt-creator,kuba1/qtcreator,syntheticpp/qt-creator,colede/qtcreator,duythanhphan/qt-creator,richardmg/qtcreator,ostash/qt-creator-i18n-uk,renatofilho/QtCreator,colede/qtcreator,hdweiss/qt-creator-visualizer,amyvmiwei/qt-creator,pcacjr/qt-creator,duythanhphan/qt-creator,Distrotech/qtcreator,AltarBeastiful/qt-creator,maui-packages/qt-creator,darksylinc/qt-creator,omniacreator/qtcreator,richardmg/qtcreator,darksylinc/qt-creator,richardmg/qtcreator,malikcjm/qtcreator,kuba1/qtcreator,duythanhphan/qt-creator,darksylinc/qt-creator,AltarBeastiful/qt-creator,maui-packages/qt-creator,omniacreator/qtcreator,colede/qtcreator,hdweiss/qt-creator-visualizer,duythanhphan/qt-creator,amyvmiwei/qt-creator,kuba1/qtcreator,maui-packages/qt-creator,richardmg/qtcreator,kuba1/qtcreator,syntheticpp/qt-creator,syntheticpp/qt-creator,danimo/qt-creator,KDE/android-qt-creator,KDAB/KDAB-Creator,danimo/qt-creator,jonnor/qt-creator