[D-runtime] [D-Programming-Language/druntime] 437654: Revert "revert pull #266"

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/druntime
  Commit: 4376546ae501724476ba8287ea11abed9fe1c91b
      https://github.com/D-Programming-Language/druntime/commit/4376546ae501724476ba8287ea11abed9fe1c91b
  Author: k-hara <k.hara.pg at gmail.com>
  Date:   2012-07-15 (Sun, 15 Jul 2012)

  Changed paths:
    M src/core/bitop.d

  Log Message:
  -----------
  Revert "revert pull #266"

This reverts commit 4df6c75f7fc9a20c0093eb41bde74a550a75f7b1.