Crystal: Formatter bug with newline before comma in method call

[r00ster91]

Trying to format this:

def method(a, b)
end
method(1
,2)

gives

Error: couldn't format './main.cr', please report a bug including the contents of it: https://github.com/crystal-lang/crystal/issues

expecting ,, not `NEWLINE, `, at :3:9 (Exception)
  from ???
  from ???
  from ???
  from ???
  from ???
  from ???
  from ???
  from ???
  from ???
  from ???
  from ???
  from ???
  from ???
  from ???

[asterite]

In Ruby that's a syntax error. Maybe in Crystal it should be a syntax error too.