Test reduce with thrust::seq in __device__ code.
Test reduce with thrust::seq in __device__ code.

egaburov/thrust,dachziegel/thrust,zhenglaizhang/thrust,xiongzhanblake/thrust_src,Ricardo666666/thrust,andrewcorrigan/thrust-multi-permutation-iterator,raygit/thrust,GrimDerp/thrust,zhenglaizhang/thrust,andrewcorrigan/thrust-multi-permutation-iterator,mohamed-ali/thrust,mohamed-ali/thrust,sdalton1/thrust,GrimDerp/thrust,thrust/thrust,sarvex/thrust,GrimDerp/thrust,xiongzhanblake/thrust_src,thvasilo/thrust,jaredhoberock/thrust,xiongzhanblake/thrust,jaredhoberock/thrust,raygit/thrust,Ricardo666666/thrust,sdalton1/thrust,Ricardo666666/thrust,egaburov/thrust,thrust/thrust,arnabgho/thrust,marksantos/thrust,zeryx/thrust,sarvex/thrust,raygit/thrust,thvasilo/thrust,sdalton1/thrust,xiongzhanblake/thrust_src,arnabgho/thrust,dachziegel/thrust,jaredhoberock/thrust,xiongzhanblake/thrust,mohamed-ali/thrust,thrust/thrust,arnabgho/thrust,xiongzhanblake/thrust,zeryx/thrust,zeryx/thrust,thrust/thrust,marksantos/thrust,zhenglaizhang/thrust,jaredhoberock/thrust,thvasilo/thrust,sarvex/thrust,dachziegel/thrust,thrust/thrust,marksantos/thrust,jaredhoberock/thrust,egaburov/thrust,andrewcorrigan/thrust-multi-permutation-iterator