Fixed teh cxx11_tensor_empty test to compile without requiring cxx11 support
Fixed teh cxx11_tensor_empty test to compile without requiring cxx11 support

ritsu1228/eigen,pasuka/eigen,ROCmSoftwarePlatform/hipeigen,ROCmSoftwarePlatform/hipeigen,ritsu1228/eigen,ROCmSoftwarePlatform/hipeigen,ROCmSoftwarePlatform/hipeigen,pasuka/eigen,ritsu1228/eigen,ritsu1228/eigen,pasuka/eigen,ritsu1228/eigen,pasuka/eigen,pasuka/eigen