[Issue 20969] alias to local in static instance of a struct causes segfault

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20969

--- Comment #3 from Simen Kjaeraas <simen.kjaras at gmail.com> ---
(In reply to Simen Kjaeraas from comment #2)
> Making it compile

Ahem. Making it *work*.

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