[Issue 24271] dmd exits with -4 on dub release (not sure what causes error, but have minimal repro code)

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=24271

--- Comment #3 from anonymous4 <dfj1esp02 at sneakemail.com> ---
That's just assert(0);

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