[phobos] [dlang/phobos] 872673: Use ref-counting for Captures struct

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/dlang/phobos
  Commit: 872673d5570f1ee79df4b9e47d8f3d2cf4e49536
      https://github.com/dlang/phobos/commit/872673d5570f1ee79df4b9e47d8f3d2cf4e49536
  Author: Dmitry Olshansky <dmitry.olsh at gmail.com>
  Date:   2016-04-16 (Sat, 16 Apr 2016)

  Changed paths:
    M std/regex/package.d

  Log Message:
  -----------
  Use ref-counting for Captures struct


  Commit: 46ca5dad0d9773ad50689c3a075a857afbf44b70
      https://github.com/dlang/phobos/commit/46ca5dad0d9773ad50689c3a075a857afbf44b70
  Author: Ilya Yaroshenko <ilyayaroshenko at gmail.com>
  Date:   2016-04-26 (Tue, 26 Apr 2016)

  Changed paths:
    M std/regex/package.d

  Log Message:
  -----------
  Merge pull request #4142 from DmitryOlshansky/regex-ref-counting

[std.regex] Use ref-counting for Captures struct


Compare: https://github.com/dlang/phobos/compare/653cabbc2ad4...46ca5dad0d97