Avoid saving dirty_artifacts in the saved state
Avoid saving dirty_artifacts in the saved state

Reviewed By: alunyov

Differential Revision: D24776005

fbshipit-source-id: c46ebed3f21c8bc4e395b5ce9a5935ee317c93d2

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