Error when compiling qanimationclipdata.cpp against qtbase/dev

C:\dev\qt\dev\src\qt3d\src\animation\frontend\qanimationclipdata.cpp(125): error C2440: 'return': cannot convert from 'QList<Qt3DAnimation::QChannel>::const_iterator' to 'Qt3DAnimation::QAnimationClipData::const_iterator'
C:\dev\qt\dev\src\qt3d\src\animation\frontend\qanimationclipdata.cpp(125): note: No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called
C:\dev\qt\dev\src\qt3d\src\animation\frontend\qanimationclipdata.cpp(130): error C2440: 'return': cannot convert from 'QList<Qt3DAnimation::QChannel>::const_iterator' to 'Qt3DAnimation::QAnimationClipData::const_iterator'
C:\dev\qt\dev\src\qt3d\src\animation\frontend\qanimationclipdata.cpp(130): note: No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called
[31/2944] Building CXX object qt5compat\src\imports\graphi...iles\qtgraphicaleffectsprivate.dir\qgfxsourceproxy.cpp.obj