Error about constructor calls in loops/labels, but there are no loops and labels?

[Steven Schveighoffer]

On 5/17/18 4:25 PM, DarkHole wrote:
> On Thursday, 17 May 2018 at 20:02:19 UTC, Steven Schveighoffer wrote:
>> On 5/17/18 3:55 PM, DarkHole wrote:
>>> This strange code - https://run.dlang.io/is/BKgv49 - fails with error 
>>> "Error: constructor calls not allowed in loops or after labels", but 
>>> there is no loops or labels.
>>
>> Switch cases are labels.
> 
> But why?

You mean why is it an error? Probably because the compiler needs to 
guarantee you are calling the super constructor, and it can't figure out 
the flow when it sees labels/loops. Not that it's always impossible, but 
it's likely a complication the compiler devs don't want to deal with.

-Steve