[dmd-internals] [D-Programming-Language/dmd] d14bd7: merge with D2 back end changes

[GitHub via dmd-internals]

  Branch: refs/heads/dmd-1.x
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: d14bd751303b45288c5e501fa710c5a026ae4e5e
      https://github.com/D-Programming-Language/dmd/commit/d14bd751303b45288c5e501fa710c5a026ae4e5e
  Author: Walter Bright <walter at walterbright.com>
  Date:   2015-11-04 (Wed, 04 Nov 2015)

  Changed paths:
    M src/backend/cgcv.c
    M src/backend/cgelem.c
    M src/backend/dt.c
    M src/backend/dt.h
    M src/backend/el.c
    M src/backend/el.h
    M src/ctfeexpr.c
    M src/e2ir.c
    M src/glue.c
    M src/s2ir.c
    M src/todt.c
    M src/toobj.c
    M src/typinf.c

  Log Message:
  -----------
  merge with D2 back end changes