[phobos] [D-Programming-Language/phobos] 463fe6: Fix Issue 13805 - groupBy over nested struct range

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 463fe6931136d1743279b98d30577c523f4efb30
      https://github.com/D-Programming-Language/phobos/commit/463fe6931136d1743279b98d30577c523f4efb30
  Author: Peter Alexander <peter.alexander.au at gmail.com>
  Date:   2015-01-02 (Fri, 02 Jan 2015)

  Changed paths:
    M std/algorithm.d

  Log Message:
  -----------
  Fix Issue 13805 - groupBy over nested struct range

GroupByImpl needs to initialize _prev directly in the constructor when it is of a nested struct range.

https://issues.dlang.org/show_bug.cgi?id=13805


  Commit: e9ee55c6759f30c0b89c329fb62a3c80974e72b9
      https://github.com/D-Programming-Language/phobos/commit/e9ee55c6759f30c0b89c329fb62a3c80974e72b9
  Author: Hara Kenji <k.hara.pg+dev at gmail.com>
  Date:   2015-01-02 (Fri, 02 Jan 2015)

  Changed paths:
    M std/algorithm.d

  Log Message:
  -----------
  Merge pull request #2832 from Poita/Issue13805

Fix Issue 13805 - groupBy over nested struct range


Compare: https://github.com/D-Programming-Language/phobos/compare/8e4df7f2dda8...e9ee55c6759f