6b71477d6e
Use --debug to switch on observatory, assert checking, and stdout/stderr passthrough from the analysis server when running dartdev migrate. Also adds --sdk-path and --server-path options so you have the ability to run without the snapshot or from the non-NNBD SDK. Change-Id: I52aba5268e1f8c2fe1d555b5dfb10e8f9133299d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/138610 Reviewed-by: Samuel Rawlins <srawlins@google.com> Commit-Queue: Janice Collins <jcollins@google.com>