[Cython] Speed up cython for enum declarations

[Stefan Behnel]

Hi,

David Cournapeau wrote:
> I managed to get a quite short code snippet: it crashes on an empty
> file

Not on my side. Do you mean that the compiler crashes or that the generated
extension crashes?


> It also crashes on a trivial file (to make sure the empty file
> itself was not the issue)

Could you send in the error output you get?

Stefan