[phobos] [dlang/phobos] ca0adc: Add @system and @safe to std.traits unit tests

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/dlang/phobos
  Commit: ca0adc1141756c34699fa3252e95d0ef78b2a904
      https://github.com/dlang/phobos/commit/ca0adc1141756c34699fa3252e95d0ef78b2a904
  Author: Atila Neves <atila.neves at gmail.com>
  Date:   2016-07-10 (Sun, 10 Jul 2016)

  Changed paths:
    M std/traits.d

  Log Message:
  -----------
  Add @system and @safe to std.traits unit tests


  Commit: 9b87fa0c855d50debaeb827617a68dabb9cf8e4b
      https://github.com/dlang/phobos/commit/9b87fa0c855d50debaeb827617a68dabb9cf8e4b
  Author: Walter Bright <WalterBright at users.noreply.github.com>
  Date:   2016-07-10 (Sun, 10 Jul 2016)

  Changed paths:
    M std/traits.d

  Log Message:
  -----------
  Merge pull request #4589 from atilaneves/std_traits_ut

Add @system and @safe to std.traits unit tests


Compare: https://github.com/dlang/phobos/compare/bb6f5b3fdf53...9b87fa0c855d