[dmd-internals] [D-Programming-Language/dmd] 8a9ccd: use linker generated section brackets

[GitHub via dmd-internals]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: 8a9ccd2e24bbc752b29a97c884551c8b9603c8fb
      https://github.com/D-Programming-Language/dmd/commit/8a9ccd2e24bbc752b29a97c884551c8b9603c8fb
  Author: Martin Nowak <code at dawg.eu>
  Date:   2015-09-06 (Sun, 06 Sep 2015)

  Changed paths:
    M src/backend/elfobj.c
    M src/backend/melf.h

  Log Message:
  -----------
  use linker generated section brackets

- rename sections to "minfo" and "deh"
- use hidden undefined __start/stop_minfo/deh
  to get start and end of sections
- linker will define those symbols
  (see http://www.airs.com/blog/archives/56)
- drop _Dmodule_ref initializers


  Commit: c6b9895bfad0afaf2dd4d1653f66f7043c70702e
      https://github.com/D-Programming-Language/dmd/commit/c6b9895bfad0afaf2dd4d1653f66f7043c70702e
  Author: Walter Bright <walter at walterbright.com>
  Date:   2015-09-06 (Sun, 06 Sep 2015)

  Changed paths:
    M src/backend/elfobj.c
    M src/backend/melf.h

  Log Message:
  -----------
  Merge pull request #5047 from MartinNowak/sections

use linker generated section brackets


Compare: https://github.com/D-Programming-Language/dmd/compare/1445df52a1ed...c6b9895bfad0