July 08, 2013
  Branch: refs/heads/dmd-1.x
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: b734acfcf588bbcfba1cb2dd7d6c5fb2a03a3b39
      https://github.com/D-Programming-Language/dmd/commit/b734acfcf588bbcfba1cb2dd7d6c5fb2a03a3b39
  Author: Brad Roberts <braddr@puremagic.com>
  Date:   2013-07-08 (Mon, 08 Jul 2013)

  Changed paths:
    M src/backend/cgelem.c

  Log Message:
  -----------
  Merge pull request #2317 from WalterBright/more-bt

another case to use BT