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

[via Digitalmars-d-bugs]

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

--- Comment #21 from Sobirari Muhomori <dfj1es...@sneakemail.com> ---
This mutex protects various global data like the list of threads in
core.thread, not GC.

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