[Issue 21368] copy-constructors aren't called for static arrays

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21368

--- Comment #2 from Илья Ярошенко <ilyayaroshenko at gmail.com> ---
(In reply to Stefan Koch from comment #1)
> It's coming from a ref.
> 
> What makes you think that any ctor should be called?

It is returned by value.

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