Eliminate some superfluous code which confuses MSVC.
Eliminate some superfluous code which confuses MSVC.

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