[Issue 20753] "Error: unknown" with structs of arrays, speculative instantiation and recursive types

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20753

--- Comment #2 from Iain Buclaw <ibuclaw at gdcproject.org> ---
(In reply to Iain Buclaw from comment #1)
> How are you building dmd? I first tried a debug version of v2.085.1, and I
> hit an assert on the test.
> 

Ah, I failed to read the last sentence.  So the regression is in fact caused by
pr5500, and pr9485 only partially solved the problem by no longer ICE'ing.

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