Bug 15917 – std.concurrency module destructor causes useless creation of new MessageBox

std.concurrency module destructor causes useless creation of new MessageBox by calling thisTid. The following is part of the stacktrace showing the problem: ... ??:? @trusted std.concurrency.MessageBox std.concurrency.MessageBox.__ctor() [0x64775b] ??:? @trusted std.concurrency.Tid std.concurrency.thisTid().__dgliteral1() [0x646f2e] ??:? @property @safe std.concurrency.Tid std.concurrency.thisTid() [0x646ede] ??:? void std.concurrency.unregisterMe() [0x6835f0] ??:? void std.concurrency.ThreadInfo.cleanup() [0x646ff0] ??:? void std.concurrency._staticDtor265() [0x646a70] ??:? void std.concurrency.__moddtor() [0x646a80] ...

Commits pushed to master at https://github.com/dlang/phobos https://github.com/dlang/phobos/commit/9d575fa33970da793a07cd7ebcccb4d1c13735fa Fix issue 15917 - std.concurrency module destructor causes useless creation of new MessageBox https://github.com/dlang/phobos/commit/4f18045c7fa965be50dd0db8f0ec6531df7f63db Merge pull request #4191 from yazd/fix-15917 Fix issue 15917 - std.concurrency module destructor causes useless cr…