[Issue 4890] GC.collect() deadlocks multithreaded program.

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=4890

--- Comment #26 from safety0ff.bugz <safety0ff.bugz at gmail.com> ---
(In reply to Sean Kelly from comment #25)
>
> I think I'll have to roll back thread.d to find my original comments and see
> how it used to be implemented.  Something was clearly changed here, but
> there's no longer enough info to tell exactly what.

This change?
https://github.com/D-Programming-Language/druntime/commit/7a731ffe0869dc

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