[phobos] [dlang/phobos] 7f88a9: Fixed issue 16179

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/dlang/phobos
  Commit: 7f88a93227b5bf417cf57a540db0b004d4788174
      https://github.com/dlang/phobos/commit/7f88a93227b5bf417cf57a540db0b004d4788174
  Author: togrue <gruen_tobias at web.de>
  Date:   2016-08-26 (Fri, 26 Aug 2016)

  Changed paths:
    M std/algorithm/sorting.d

  Log Message:
  -----------
  Fixed issue 16179
(multiSort no longer callable with delegate with context)

- Moved out nested functions inside multiSort to the module scope.
- Added a unittest


  Commit: 9abe256cab3f6c7d580caa91bc1e9deb8e3ef9a3
      https://github.com/dlang/phobos/commit/9abe256cab3f6c7d580caa91bc1e9deb8e3ef9a3
  Author: Sebastian Wilzbach <seb at wilzba.ch>
  Date:   2016-08-26 (Fri, 26 Aug 2016)

  Changed paths:
    M std/algorithm/sorting.d

  Log Message:
  -----------
  Merge pull request #4740 from togrue/bugfix_16179

Fix issue 16179 - multiSort no longer callable with delegate with context


Compare: https://github.com/dlang/phobos/compare/06844e4ffd6d...9abe256cab3f