[Issue 1118] weird switch statement behaviour

[Manuel König]

> What about cases like this:
> 
> switch(i)
> {
>  while(i)
>  {
>   foo();
>   case 0: bar();
>   case 1: baz();
>   case 3: i--;
>  }
> }
> 
> 

Nice idea, never had to use it that way. Think this issue should be 
tagged as INVALID...

But looking at the examples given before, it would be nice if the 
compiler would give at least a warning about missing switch labels.