Segfault from Pike 8.1 - possible type check issue?

[Henrik Grubbstr?m (Lysator) @ Pike (-) developers forum]

> float thing_sum(array(string) things) {
>     return `+(@(array(float))things) + 1.0;
> }

I can't reproduce the issue with a current Pike 8.1, but there have
been lots of fixes to the type checker the last few months.

        /grubba