A call from a closure to a function defined in a where clause produces wrong C code

[kikofernandez]

A call from a closure to a function defined in a where clause produces code that cannot be compiled. For instance:

class Main
  def main() : unit
    fun (x: int) => inc(x)
  where
    fun inc(x: int): int
      x + 1
    end
  end
end

Typechecks but throws this error in C:

encorec test.enc
test_src/Main.encore.c:249:43: error: use of undeclared identifier '_enc__closure_inc'
  (*_enc__env_closure0)._enc__field_inc = _enc__closure_inc;
                                          ^
1 error generated.
 *** Compilation failed with exit code 1 ***

[EliasC]

Interestingly, the following does compile:

active class Main
  def main() : unit
    val inc = inc
    fun (x: int) => inc(x)
  where
    fun inc(x: int): int
      x + 1
    end
  end
end

I would guess that the local functions aren't properly added to the environment when translating the closure.