Struct with lambda argument causes segfault at runtime

[Timon Gehr via Digitalmars-d]

On 08/09/2014 07:11 PM, H. S. Teoh via Digitalmars-d wrote:
>
> This causes a segfault at runtime. Moving the declaration of r inside
> main() fixes the problem. Why?

My guess is it is just a missing diagnostic for the missing support for 
closures in CTFE.

You are effectively trying to do something like

auto foo(int a){
     return (int x)=>x+a;
}
auto d=foo(2);

which fails with

Error: closures are not yet supported in CTFE