[D-runtime] [D-Programming-Language/druntime] 0cedd2: make GC a struct

[GitHub via D-runtime]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/druntime
  Commit: 0cedd20150850bead32676f495f98dbf0990e22b
      https://github.com/D-Programming-Language/druntime/commit/0cedd20150850bead32676f495f98dbf0990e22b
  Author: Martin Nowak <code at dawg.eu>
  Date:   2015-01-24 (Sat, 24 Jan 2015)

  Changed paths:
    M src/gc/gc.d
    M src/gc/proxy.d

  Log Message:
  -----------
  make GC a struct

- avoids virtual calls
- inheritance isn't needed


  Commit: feca5225c8bd87a66edaa09db4b2cfc4a655109a
      https://github.com/D-Programming-Language/druntime/commit/feca5225c8bd87a66edaa09db4b2cfc4a655109a
  Author: Andrei Alexandrescu <andrei at erdani.com>
  Date:   2015-01-26 (Mon, 26 Jan 2015)

  Changed paths:
    M src/gc/gc.d
    M src/gc/proxy.d

  Log Message:
  -----------
  Merge pull request #1120 from MartinNowak/gcStruct

make GC a struct


Compare: https://github.com/D-Programming-Language/druntime/compare/a8c74e00fe21...feca5225c8bd