January 23, 2012
  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: c62d4696239a189106aacbded87cceb25331a39f
      https://github.com/D-Programming-Language/dmd/commit/c62d4696239a189106aacbded87cceb25331a39f
  Author: Walter Bright <walter at walterbright.com>
  Date:   2012-01-23 (Mon, 23 Jan 2012)

  Changed paths:
    M src/optimize.c

  Log Message:
  -----------
  fix Issue 4887 - Right-shifting by 32 is allowed and broken