[Issue 20278] ICE: calling std.math.sqrt with int cast to double

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20278

--- Comment #14 from kinke <kinke at gmx.net> ---
(In reply to hsteoh from comment #12)
> @kinke: so the assert is the problem??

Perhaps it's overzealous, but the generated code might also just happen to
accidentally work.

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