The CL in [0] added package:ffi as dependency to package:compiler. Since flutter_frontend_server needs all dependencies as path dependencies, we need to add package:ffi there via path. [0] https://dart-review.googlesource.com/c/sdk/+/269640
The CL in [0] added package:ffi as dependency to package:compiler. Since flutter_frontend_server needs all dependencies as path dependencies, we need to add package:ffi there via path. [0] https://dart-review.googlesource.com/c/sdk/+/269640