On Thu, 11 Jan 2018 23:40:54 -0800, comdog wrote:
> I stupidly did this:
>
> sub prefix:<²> ( Int:D \m --> Int:D )
> is assoc<right>
> { m ** m }
>
> put ²(²2);
>
> And got this error:
>
> ===SORRY!===
> MVMArray: Can't pop from an empty array
>
> I figure that associativity doesn't make any sense for unary prefix
> operators but that error message is from pretty deep in the swamp. I'd
> rather have something like "Don't do stupid things that make no sense"
> sort of error.
This looks to be the same issue as RT#131099. It lists a potential fix that
fails compilation: https://rt.perl.org/Ticket/Display.html?id=131099#txn-1455809
