[Ci-reports] fail on QtBase_dev_Integration #6175

[Qt Continuous Integration System]

qtbase failed to compile :(

  painting\qdrawhelper.cpp: In function 'void blend_untransformed_generic_rgb64(int, const QSpan*, void*)':
  painting\qdrawhelper.cpp:6313:14: error: 'op.Operator::srcFetch64' may be used uninitialized in this function [-Werror=maybe-uninitialized]
  Makefile.Release:45608: recipe for target '.obj/release/qdrawhelper.o' failed
  mingw32-make[4]: *** [.obj/release/qdrawhelper.o] Error 1
  mingw32-make[3]: *** [release] Error 2
  mingw32-make[2]: *** [sub-gui-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_06175/win32-mingw48_developer-build_qtlibinfix_opengl_Windows_7/log.txt.gz

  Tested changes (refs/builds/dev_1429092738):
    http://codereview.qt-project.org/110316 [PS4] - Implement radial and conical gradients for rgb64 rendering