[dmd-internals] [D-Programming-Language/dmd] 180534: merge D2 pull 749

[GitHub]

  Branch: refs/heads/dmd-1.x
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: 180534533802cdc991f68c7ec81a8eeebc7ca88d
      https://github.com/D-Programming-Language/dmd/commit/180534533802cdc991f68c7ec81a8eeebc7ca88d
  Author: Walter Bright <walter at walterbright.com>
  Date:   2012-02-22 (Wed, 22 Feb 2012)

  Changed paths:
    M src/backend/cdef.h
  M src/backend/cgelem.c
  M src/backend/optabgen.c

  Log Message:
  -----------
  merge D2 pull 749