[phobos] [D-Programming-Language/phobos] 196b7b: roll back Mutex nothrow

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 196b7bd734560bb7786547970ef547d25a5a58db
      https://github.com/D-Programming-Language/phobos/commit/196b7bd734560bb7786547970ef547d25a5a58db
  Author: Martin Nowak <code at dawg.eu>
  Date:   2015-03-06 (Fri, 06 Mar 2015)

  Changed paths:
    M std/concurrency.d

  Log Message:
  -----------
  roll back Mutex nothrow

- we had troubles turning vibe.d's mutex class
  into nothrow and have to undo the changes
  for now

- use internal lock_nothrow/unlock_nothrow
  functions so that the Scheduler API need
  not be changed


  Commit: b35af869051b7a709006e547e1330e67d7d04175
      https://github.com/D-Programming-Language/phobos/commit/b35af869051b7a709006e547e1330e67d7d04175
  Author: Walter Bright <walter at walterbright.com>
  Date:   2015-03-09 (Mon, 09 Mar 2015)

  Changed paths:
    M std/concurrency.d

  Log Message:
  -----------
  Merge pull request #3042 from MartinNowak/undoNothrowSync

roll back Mutex nothrow


Compare: https://github.com/D-Programming-Language/phobos/compare/50c65e57fb26...b35af869051b