In file included from /home/boud/dev/krita/libs/pigment/compositeops/KoCompositeOpCopy2.h:26,
                 from /home/boud/dev/krita/libs/pigment/colorspaces/KoAlphaColorSpace.cpp:35:
/home/boud/dev/krita/libs/pigment/compositeops/KoCompositeOpBase.h: In instantiation of ‘void KoCompositeOpBase<_CSTraits, _compositeOp>::genericComposite(const KoCompositeOp::ParameterInfo&, const QBitArray&) const [with bool useMask = true; bool alphaLocked = true; bool allChannelFlags = true; _CSTraits = KoColorSpaceTrait<half, 1, 0>; _compositeOp = AlphaColorSpaceMultiplyOp<KoColorSpaceTrait<half, 1, 0> >]’:
/home/boud/dev/krita/libs/pigment/compositeops/KoCompositeOpBase.h:67:72:   required from ‘void KoCompositeOpBase<_CSTraits, _compositeOp>::composite(const KoCompositeOp::ParameterInfo&) const [with _CSTraits = KoColorSpaceTrait<half, 1, 0>; _compositeOp = AlphaColorSpaceMultiplyOp<KoColorSpaceTrait<half, 1, 0> >]’
/home/boud/dev/krita/libs/pigment/compositeops/KoCompositeOpB...