Sounds like https://github.com/golang/go/issues/19335 https://github.com/golang/go/issues/19335 I guess the performance issue has something to do with some mis

Sounds like https://github.com/golang/go/issues/19335 https://github.com/golang/go/issues/19335 I guess the performance issue has something to do with some missing optimizations. Hopefully it will get better. Edit: Also https://github.com/golang/go/issues/19361 https://github.com/golang/go/issues/19361