January 18, 2013
  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/druntime
  Commit: 678b0cb07d2b6cfec24ddb5be77c112338ca40bc
      https://github.com/D-Programming-Language/druntime/commit/678b0cb07d2b6cfec24ddb5be77c112338ca40bc
  Author: Walter Bright <walter@walterbright.com>
  Date:   2013-01-18 (Fri, 18 Jan 2013)

  Changed paths:
    M src/core/bitop.d

  Log Message:
  -----------
  bt() is no longer a builtin


  Commit: e47a00bff935c3f079bb567a6ec97663ba384487
      https://github.com/D-Programming-Language/druntime/commit/e47a00bff935c3f079bb567a6ec97663ba384487
  Author: Walter Bright <walter@walterbright.com>
  Date:   2013-01-18 (Fri, 18 Jan 2013)

  Changed paths:
    M src/core/bitop.d

  Log Message:
  -----------
  Merge pull request #388 from WalterBright/15

bt() is no longer a builtin


Compare: https://github.com/D-Programming-Language/druntime/compare/e5c84ff3caad...e47a00bff935