[phobos] [D-Programming-Language/phobos] 4b7b8d: Add rolling trace filter to backtracking engine

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 4b7b8d7f6ca14827e2a89fa8e2d5466269eb3b65
      https://github.com/D-Programming-Language/phobos/commit/4b7b8d7f6ca14827e2a89fa8e2d5466269eb3b65
  Author: Dmitry Olshansky <dmitry.olsh at gmail.com>
  Date:   2016-04-02 (Sat, 02 Apr 2016)

  Changed paths:
    M std/regex/internal/backtracking.d

  Log Message:
  -----------
  Add rolling trace filter to backtracking engine

This cuts down on redundant backtracking on most real-world inputs.


  Commit: af373d96fc3ab530a27c658c5d97716141dbdd31
      https://github.com/D-Programming-Language/phobos/commit/af373d96fc3ab530a27c658c5d97716141dbdd31
  Author: Ilya Yaroshenko <ilyayaroshenko at gmail.com>
  Date:   2016-04-07 (Thu, 07 Apr 2016)

  Changed paths:
    M std/regex/internal/backtracking.d

  Log Message:
  -----------
  Merge pull request #4140 from DmitryOlshansky/rolling-trace-filter

[std.regex] Add rolling trace filter to backtracking engine


Compare: https://github.com/D-Programming-Language/phobos/compare/0ce66bc7aa9a...af373d96fc3a