clang 7 outputs warnings about d_ptr in Multimedia and WebEngine

File: .../Qt/5.12.2/linux/clang7el7/include/QtMultimedia/qmediaobject.h, Line:
96, Column: 26
Message: non-static data member 'd_ptr' of 'QMediaObject' shadows member
inherited from type 'QObject'

File: .../Qt/5.12.2/linux/clang7el7/include/QtWebEngineWidgets/qwebenginedownl
oaditem.h, Line: 153, Column: 51
Message: non-static data member 'd_ptr' of 'QWebEngineDownloadItem'
shadows member inherited from type 'QObject'

File:
.../Qt/5.12.2/linux/clang7el7/include/QtWebEngineWidgets/qwebenginepage.h,
Line: 359, Column: 43
Message: non-static data member 'd_ptr' of 'QWebEnginePage' shadows member
inherited from type 'QObject'

File:
.../Qt/5.12.2/linux/clang7el7/include/QtWebEngineWidgets/qwebengineview.h,
Line: 139, Column: 43
Message: non-static data member 'd_ptr' of 'QWebEngineView' shadows member
inherited from type 'QObject'