[control] Don't fail hard on undefined control variables
[control] Don't fail hard on undefined control variables

Reviewed By: martintrojer

Differential Revision: D14973287

fbshipit-source-id: 633ce3e04

facebook/infer,facebook/infer,jvillard/infer,jvillard/infer,facebook/infer,jvillard/infer,jvillard/infer,facebook/infer,facebook/infer,jvillard/infer,facebook/infer,jvillard/infer,jvillard/infer,facebook/infer