swc_ecma_visit:
- Add cargo feature `debug`.
- Add more context for `tracing` when `debug` is enabled.
swc_ecma_utils:
- Add some logging.
swc_ecma_transforms_compat:
- Add some logging.
- `destructuring`: Don't drop patterns. (Closes#2139)
testing:
- Enable logging by default.
- Configure logging for `Tester`.