tree 7cc970e80e83227dff4909886ca7808a524642cb
parent 40ac8d059c40bdc0abe78f5b8914d2176d3dbd90
author Scott Todd <scotttodd@google.com> 1592945453 -0700
committer Copybara-Service <copybara-worker@google.com> 1592945575 -0700

Enable warnings for implicit fallthroughs.

These would have flagged on https://github.com/google/iree/pull/2266.

Closes https://github.com/google/iree/pull/2294

COPYBARA_INTEGRATE_REVIEW=https://github.com/google/iree/pull/2294 from ScottTodd:fallthrough-warnings 72f68fa4cc7de8f8efa1968324233bff7b5cdae0
PiperOrigin-RevId: 317933479