When checking whether one of the spaces is cuda_device_space_tag in device::dispatch::copy, use is_same rather than is_convertible to avoid a situation where we would dispatch (any, omp) to cuda
When checking whether one of the spaces is cuda_device_space_tag in device::dispatch::copy, use is_same rather than is_convertible to avoid
a situation where we would dispatch (any, omp) to cuda

allendaicool/thrust,hemmingway/thrust,julianromera/thrust,malenie/thrust,Vishwa07/thrust,UIKit0/thrust,Vishwa07/thrust,hemmingway/thrust,allendaicool/thrust,rdmenezes/thrust,levendlee/thrust,julianromera/thrust,levendlee/thrust,google-code-export/thrust,google-code-export/thrust,h1arshad/thrust,malenie/thrust,julianromera/thrust,lishi0927/thrust,h1arshad/thrust,google-code-export/thrust,bfurtaw/thrust,malenie/thrust,UIKit0/thrust,rdmenezes/thrust,h1arshad/thrust,malenie/thrust,hemmingway/thrust,h1arshad/thrust,allendaicool/thrust,levendlee/thrust,bfurtaw/thrust,rdmenezes/thrust,UIKit0/thrust,hemmingway/thrust,rdmenezes/thrust,lishi0927/thrust,google-code-export/thrust,allendaicool/thrust,levendlee/thrust,bfurtaw/thrust,Vishwa07/thrust,bfurtaw/thrust,UIKit0/thrust,Vishwa07/thrust,lishi0927/thrust,julianromera/thrust,lishi0927/thrust