[dmd-internals] [D-Programming-Language/dmd] 409d04: fix pull #3620

[GitHub via dmd-internals]

  Branch: refs/heads/dmd-1.x
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: 409d040c6e4cfbd71a154eb6c4899e80019def50
      https://github.com/D-Programming-Language/dmd/commit/409d040c6e4cfbd71a154eb6c4899e80019def50
  Author: Walter Bright <walter at walterbright.com>
  Date:   2014-06-10 (Tue, 10 Jun 2014)

  Changed paths:
    M src/backend/gdag.c

  Log Message:
  -----------
  fix pull #3620


  Commit: dd8c082ec0a25c131a41fd99a5d7c3d834adb140
      https://github.com/D-Programming-Language/dmd/commit/dd8c082ec0a25c131a41fd99a5d7c3d834adb140
  Author: Walter Bright <walter at walterbright.com>
  Date:   2014-06-10 (Tue, 10 Jun 2014)

  Changed paths:
    M src/backend/el.c
    M src/backend/gdag.c
    M src/backend/gflow.c
    M src/backend/oper.h
    M src/tocsym.c

  Log Message:
  -----------
  add some array bounds check optimizations


Compare: https://github.com/D-Programming-Language/dmd/compare/9330ee2925dc...dd8c082ec0a2