[Issue 19978] D sometimes just crashes on exit with daemon threads

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19978

--- Comment #5 from FeepingCreature <default_357-line at yahoo.de> ---
How do you run module dtors without stopping the threads anyways? I don't see
how that'd ever be safe.

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