C++: Do not reuse content in completion if it's unfinished identifier
C++: Do not reuse content in completion if it's unfinished identifier

Taskn-number: QTCREATORBUG-7521

Change-Id: I7b8edb93d143f599c93a82c82bf2c0d49c8e49e9
Reviewed-by: Roberto Raggi <5b38c5be65ca2d75b92c40e91029e90f276fd4fe@nokia.com>

amyvmiwei/qt-creator,danimo/qt-creator,amyvmiwei/qt-creator,darksylinc/qt-creator,xianian/qt-creator,Distrotech/qtcreator,KDE/android-qt-creator,farseerri/git_code,richardmg/qtcreator,amyvmiwei/qt-creator,malikcjm/qtcreator,Distrotech/qtcreator,kuba1/qtcreator,KDE/android-qt-creator,martyone/sailfish-qtcreator,colede/qtcreator,farseerri/git_code,malikcjm/qtcreator,malikcjm/qtcreator,kuba1/qtcreator,amyvmiwei/qt-creator,Distrotech/qtcreator,danimo/qt-creator,amyvmiwei/qt-creator,kuba1/qtcreator,danimo/qt-creator,richardmg/qtcreator,richardmg/qtcreator,Distrotech/qtcreator,omniacreator/qtcreator,Distrotech/qtcreator,danimo/qt-creator,xianian/qt-creator,martyone/sailfish-qtcreator,richardmg/qtcreator,kuba1/qtcreator,amyvmiwei/qt-creator,maui-packages/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,farseerri/git_code,darksylinc/qt-creator,maui-packages/qt-creator,amyvmiwei/qt-creator,malikcjm/qtcreator,darksylinc/qt-creator,AltarBeastiful/qt-creator,syntheticpp/qt-creator,colede/qtcreator,danimo/qt-creator,omniacreator/qtcreator,AltarBeastiful/qt-creator,syntheticpp/qt-creator,KDE/android-qt-creator,KDE/android-qt-creator,Distrotech/qtcreator,AltarBeastiful/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,KDE/android-qt-creator,danimo/qt-creator,duythanhphan/qt-creator,omniacreator/qtcreator,darksylinc/qt-creator,darksylinc/qt-creator,AltarBeastiful/qt-creator,farseerri/git_code,richardmg/qtcreator,AltarBeastiful/qt-creator,darksylinc/qt-creator,maui-packages/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,malikcjm/qtcreator,farseerri/git_code,duythanhphan/qt-creator,kuba1/qtcreator,syntheticpp/qt-creator,malikcjm/qtcreator,martyone/sailfish-qtcreator,colede/qtcreator,colede/qtcreator,farseerri/git_code,martyone/sailfish-qtcreator,omniacreator/qtcreator,duythanhphan/qt-creator,maui-packages/qt-creator,richardmg/qtcreator,kuba1/qtcreator,duythanhphan/qt-creator,richardmg/qtcreator,colede/qtcreator,martyone/sailfish-qtcreator,kuba1/qtcreator,malikcjm/qtcreator,colede/qtcreator,kuba1/qtcreator,maui-packages/qt-creator,darksylinc/qt-creator,syntheticpp/qt-creator,duythanhphan/qt-creator,farseerri/git_code,danimo/qt-creator,AltarBeastiful/qt-creator,AltarBeastiful/qt-creator,xianian/qt-creator,omniacreator/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,danimo/qt-creator,maui-packages/qt-creator,maui-packages/qt-creator,duythanhphan/qt-creator,darksylinc/qt-creator,xianian/qt-creator,KDE/android-qt-creator,omniacreator/qtcreator,AltarBeastiful/qt-creator,farseerri/git_code,colede/qtcreator,syntheticpp/qt-creator,martyone/sailfish-qtcreator,KDE/android-qt-creator,omniacreator/qtcreator,duythanhphan/qt-creator,KDE/android-qt-creator,syntheticpp/qt-creator,Distrotech/qtcreator,xianian/qt-creator,syntheticpp/qt-creator