finally tracked down and fixed MSVC 2015 + AVX2 code generation bug in morton builder
finally tracked down and fixed MSVC 2015 + AVX2 code generation bug in morton builder

embree/embree,Sjoerdie/embree,Sjoerdie/embree,embree/embree,Sjoerdie/embree,embree/embree,embree/embree,Sjoerdie/embree