Made it possible to call the assignment operator on an Eigen::Block from a CUDA kernel.
Made it possible to call the assignment operator on an Eigen::Block from a CUDA kernel.

ritsu1228/eigen,ritsu1228/eigen,TSC21/Eigen,toastedcrumpets/eigen,TSC21/Eigen,ritsu1228/eigen,Zefz/eigen,ritsu1228/eigen,pasuka/eigen,pasuka/eigen,Zefz/eigen,ROCmSoftwarePlatform/hipeigen,toastedcrumpets/eigen,Zefz/eigen,Zefz/eigen,pasuka/eigen,pasuka/eigen,ROCmSoftwarePlatform/hipeigen,ROCmSoftwarePlatform/hipeigen,TSC21/Eigen,ROCmSoftwarePlatform/hipeigen,TSC21/Eigen,pasuka/eigen,toastedcrumpets/eigen,toastedcrumpets/eigen,ritsu1228/eigen