[phobos] [D-Programming-Language/phobos] a15d9b: Remove unneeded .dup of arrays

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: a15d9be6fd1b1863d40ccd07dffa5cf326a307fb
      https://github.com/D-Programming-Language/phobos/commit/a15d9be6fd1b1863d40ccd07dffa5cf326a307fb
  Author: Matt Kline <matt at bitbashing.io>
  Date:   2015-02-12 (Thu, 12 Feb 2015)

  Changed paths:
    M std/algorithm/sorting.d
    M std/conv.d
    M std/getopt.d

  Log Message:
  -----------
  Remove unneeded .dup of arrays

See comments from #2974, specifically
https://github.com/D-Programming-Language/phobos/pull/2974#discussion_r24388654


  Commit: 6e9307b4922ec4635af50660afacbabc34d9e573
      https://github.com/D-Programming-Language/phobos/commit/6e9307b4922ec4635af50660afacbabc34d9e573
  Author: Matt Kline <matt at bitbashing.io>
  Date:   2015-02-13 (Fri, 13 Feb 2015)

  Changed paths:
    M std/getopt.d

  Log Message:
  -----------
  Kill more .dups in std.getopt


  Commit: 9a3cfd1aaa54fa65a10e2a4127bd8123badad436
      https://github.com/D-Programming-Language/phobos/commit/9a3cfd1aaa54fa65a10e2a4127bd8123badad436
  Author: Matt Kline <matt at bitbashing.io>
  Date:   2015-02-13 (Fri, 13 Feb 2015)

  Changed paths:
    M std/getopt.d

  Log Message:
  -----------
  Goodbye to more dups.

Many thanks to Steven Schveighoffer for catching these.


  Commit: f10cf5ba577cbcee10289b4ab3e3eedf3c7c77b9
      https://github.com/D-Programming-Language/phobos/commit/f10cf5ba577cbcee10289b4ab3e3eedf3c7c77b9
  Author: Matt Kline <matt at bitbashing.io>
  Date:   2015-02-13 (Fri, 13 Feb 2015)

  Changed paths:
    M std/getopt.d

  Log Message:
  -----------
  Remove parens from last commit


  Commit: 4345097a7df10dcc4f44cefcdad39be1a5f162db
      https://github.com/D-Programming-Language/phobos/commit/4345097a7df10dcc4f44cefcdad39be1a5f162db
  Author: Andrei Alexandrescu <andrei at erdani.com>
  Date:   2015-02-13 (Fri, 13 Feb 2015)

  Changed paths:
    M std/algorithm/sorting.d
    M std/conv.d
    M std/getopt.d

  Log Message:
  -----------
  Merge pull request #2981 from mrkline/remove-unneeded-dups

Remove unneeded .dup of arrays


Compare: https://github.com/D-Programming-Language/phobos/compare/ff39040b81e6...4345097a7df1