[phobos] [D-Programming-Language/phobos] f81799: fix #15188

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: f81799cd0ffa55d5e7407d43bac40808bd94e90b
      https://github.com/D-Programming-Language/phobos/commit/f81799cd0ffa55d5e7407d43bac40808bd94e90b
  Author: Ilya Yaroshenko <ilyayaroshenko at gmail.com>
  Date:   2015-10-16 (Fri, 16 Oct 2015)

  Changed paths:
    M std/experimental/allocator/building_blocks/free_list.d

  Log Message:
  -----------
  fix #15188


  Commit: cfca3d6037c7679f72878802229497efd95b1501
      https://github.com/D-Programming-Language/phobos/commit/cfca3d6037c7679f72878802229497efd95b1501
  Author: Brian Schott <briancschott at gmail.com>
  Date:   2015-10-15 (Thu, 15 Oct 2015)

  Changed paths:
    M std/experimental/allocator/building_blocks/free_list.d

  Log Message:
  -----------
  Merge pull request #3712 from 9il/patch-4

[DMD 2.069][allocators] Fix issue 15188


Compare: https://github.com/D-Programming-Language/phobos/compare/758e6f2f9edd...cfca3d6037c7