"for" statement issue

[Marc Schütz via Digitalmars-d]

On Friday, 21 October 2016 at 13:42:49 UTC, Adam D. Ruppe wrote:
> On Friday, 21 October 2016 at 13:33:26 UTC, Stefan Koch wrote:
>> It does create a lambda?
>> Hmm that should not happen.
>
> Eh, that's exactly what the language rules say should happen, 
> and it actually does make sense to me... you might even want to 
> use an immediately-called lambda to group several statements 
> together into one expression.
>

int j;
for({j=2; int d = 3; } j+d<7; {j++; d++;}) {
}

I'm more surprised by the fact that `d` is declared inside the 
first curly braces, but is evidently still in scope outside of 
it...