July 27, 2013
  Branch: refs/heads/dmd-1.x
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: f2b173e4993c5552b914a59c40824d35fd1d02ff
      https://github.com/D-Programming-Language/dmd/commit/f2b173e4993c5552b914a59c40824d35fd1d02ff
  Author: Daniel Murphy <yebblies@gmail.com>
  Date:   2013-07-27 (Sat, 27 Jul 2013)

  Changed paths:
    M src/backend/cgelem.c

  Log Message:
  -----------
  Merge pull request #2389 from WalterBright/fix10715

fix Issue 10715 - negated bit test (bt) not recognized by optimizer