What is the use case for this weird switch mecanism

[deadalnix]

Le 30/10/2012 18:57, Andrej Mitrovic a écrit :
> On 10/30/12, Philippe Sigaud<philippe.sigaud at gmail.com>  wrote:
>> I've no idea why it's authorized
>
> There could be a label for a goto there.

That still don't explain what the use case is.