[Ci-reports] fail on QtBase_dev_Integration #6006

[Qt Continuous Integration System]

qtbase failed to compile :(

  ./.obj\release\qgesturemanager.o:qgesturemanager.cpp:(.text+0x39ea): undefined reference to `_imp___Zls6QDebugPK7QWidget'
  ./.obj\release\qgesturemanager.o:qgesturemanager.cpp:(.text+0x3e63): undefined reference to `_imp___Zls6QDebugPK7QWidget'
  ./.obj\release\qgesturemanager.o:qgesturemanager.cpp:(.text+0x4160): undefined reference to `_imp___Zls6QDebugPK7QWidget'
  ./.obj\release\qgesturemanager.o:qgesturemanager.cpp:(.text+0x4594): undefined reference to `_imp___Zls6QDebugPK7QWidget'
  Makefile.Release:1024: recipe for target '..\..\lib\Qt5WidgetsTestInfix.dll' failed
  mingw32-make[4]: *** [..\..\lib\Qt5WidgetsTestInfix.dll] Error 1
  mingw32-make[3]: *** [release] Error 2
  mingw32-make[2]: *** [sub-widgets-make_first] Error 2
  mingw32-make[1]: *** [sub-src-make_first] Error 2
  mingw32-make: *** [module-qtbase] Error 2

  Build log: http://testresults.qt.io/ci/QtBase_dev_Integration/build_06006/win32-mingw48_developer-build_qtlibinfix_opengl_Windows_7/log.txt.gz

  Tested changes (refs/builds/dev_1426504889):
    http://codereview.qt-project.org/104875 [PS7] - Implement QDebug streaming operators for QWindow, QScreen and QWidget.