[phobos] [dlang/phobos] a4c375: add @safe to test structs

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/dlang/phobos
  Commit: a4c37506cab18adef475108b94451b354e2058d0
      https://github.com/dlang/phobos/commit/a4c37506cab18adef475108b94451b354e2058d0
  Author: Walter Bright <walter at walterbright.com>
  Date:   2016-06-26 (Sun, 26 Jun 2016)

  Changed paths:
    M std/range/package.d

  Log Message:
  -----------
  add @safe to test structs


  Commit: 76fc3e1127101689ed42f2db925b0f6d3a1c629d
      https://github.com/dlang/phobos/commit/76fc3e1127101689ed42f2db925b0f6d3a1c629d
  Author: Steven Schveighoffer <schveiguy at yahoo.com>
  Date:   2016-06-27 (Mon, 27 Jun 2016)

  Changed paths:
    M std/range/package.d

  Log Message:
  -----------
  Merge pull request #4477 from WalterBright/packagesafe

add @safe to test structs


Compare: https://github.com/dlang/phobos/compare/fd61e2adf5bf...76fc3e112710