bug#26073: workaround

[Stefan Monnier]

> I frankly don't know how it should behave and whether fixing it for
> generators would break 'with-slots'. What I can see, however, is that
> generator functions with nested lambdas do not work properly. And you
> cannot realisctically say "don't use those", because lambdas can be just
> introduced by macros without you even thinking about it. And then the
> function unexpectedly produces wrong results without any hint of what might
> be wrong.

Maybe my previous answer was not phrased properly, but it was just
discussing how it should be fixed, rather than whether it should
be fixed.


        Stefan