> Is this surprising? I don't see an ecosystem of languages targeting the Go runtime, in contrast to the JVM, Javascript, Erlang, MS CLR...

I think I'm surprised in general that no language targets the Go runtime. A ML built on Go could probably be popular, lots of people would like features from it.

Not exactly bytecode but Hy https://github.com/hylang/hy is a dialect of Lisp that compiles to Python.