avoid clone() in dependency-analyzer
avoid clone() in dependency-analyzer

Reviewed By: tyao1

Differential Revision: D23474996

fbshipit-source-id: ac39725e07ffcf925dd58443ef650cf6676a5fd2

atxwebs/relay,xuorig/relay,wincent/relay,voideanvalue/relay,josephsavona/relay,atxwebs/relay,atxwebs/relay,wincent/relay,kassens/relay,wincent/relay,kassens/relay,facebook/relay,kassens/relay,josephsavona/relay,voideanvalue/relay,kassens/relay,xuorig/relay,facebook/relay,yungsters/relay,xuorig/relay,facebook/relay,facebook/relay,xuorig/relay,voideanvalue/relay,kassens/relay,yungsters/relay,voideanvalue/relay,xuorig/relay,voideanvalue/relay,xuorig/relay,atxwebs/relay,josephsavona/relay,facebook/relay,yungsters/relay,wincent/relay,voideanvalue/relay,kassens/relay,facebook/relay,wincent/relay,wincent/relay