[Buck][compilation-database] Do not run clang command that cannot be attached to the frontend
[Buck][compilation-database] Do not run clang command that cannot be attached to the frontend

Reviewed By: jvillard

Differential Revision: D6100439

fbshipit-source-id: e52c4cb

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