Tags aren't generated for classes when the => arrow isn't on the same line as the class name

[neongreen]

For the following files, an empty tags file is generated:

class (A x, B x) =>
      Foo x

class (A x, B x)
      =>
      Foo x

For this file, tags are generated correctly:

class (A x, B x)
      => Foo x

[jhenahan]

Thanks for the minimal examples! I'll see if I can knock this one out quickly.

[jhenahan]

I've added your test cases and I'm looking into this now. I know approximately where it's going wrong, but unwinding what it's actually doing there is taking some effort.