April 18, 2016
  Branch: refs/heads/master
  Home:   https://github.com/dlang/phobos
  Commit: 9d575fa33970da793a07cd7ebcccb4d1c13735fa
      https://github.com/dlang/phobos/commit/9d575fa33970da793a07cd7ebcccb4d1c13735fa
  Author: Yazan Dabain <yazan.dabain@arabiaweather.com>
  Date:   2016-04-12 (Tue, 12 Apr 2016)

  Changed paths:
    M std/concurrency.d

  Log Message:
  -----------
  Fix issue 15917 - std.concurrency module destructor causes useless creation of new MessageBox


  Commit: 4f18045c7fa965be50dd0db8f0ec6531df7f63db
      https://github.com/dlang/phobos/commit/4f18045c7fa965be50dd0db8f0ec6531df7f63db
  Author: Dmitry Olshansky <dmitry.olsh@gmail.com>
  Date:   2016-04-18 (Mon, 18 Apr 2016)

  Changed paths:
    M std/concurrency.d

  Log Message:
  -----------
  Merge pull request #4191 from yazd/fix-15917

Fix issue 15917 - std.concurrency module destructor causes useless cr…


Compare: https://github.com/dlang/phobos/compare/f14c9095d032...4f18045c7fa9