bigint compile time errors

[Paul D Anderson via Digitalmars-d-learn]

On Friday, 3 July 2015 at 02:37:00 UTC, Paul D Anderson wrote:
> The following code fails to compile and responds with the given 
> error message. Varying the "plusTwo" function doesn't work; as 
> long as there is an arithmetic operation the error occurs.
>
> [...]

https://issues.dlang.org/show_bug.cgi?id=14767