[clang capture] Exit clang capture when clang fails
[clang capture] Exit clang capture when clang fails

Summary: Don't ignore errors coming from clang when there are exceptions raised by the frontend

Reviewed By: jvillard

Differential Revision: D4117375

fbshipit-source-id: f31d6cf

jsachs/infer,jvillard/infer,blzq/infer,jvillard/infer,kageiit/infer,xennygrimmato/infer,jvillard/infer,blzq/infer,kageiit/infer,facebook/infer,facebook/infer,ryoon/infer,ryoon/infer,ropas/infer,xennygrimmato/infer,kageiit/infer,blzq/infer,facebook/infer,ryoon/infer,kageiit/infer,ropas/infer,xennygrimmato/infer,jsachs/infer,jvillard/infer,blzq/infer,ryoon/infer,jvillard/infer,facebook/infer,ropas/infer,jsachs/infer,facebook/infer,facebook/infer,kageiit/infer,ryoon/infer,jvillard/infer,ryoon/infer,jsachs/infer,xennygrimmato/infer,xennygrimmato/infer,jvillard/infer,xennygrimmato/infer,xennygrimmato/infer,ropas/infer,jsachs/infer,facebook/infer,blzq/infer,kageiit/infer,ropas/infer,ropas/infer,kageiit/infer,blzq/infer,jsachs/infer