[D-runtime] [D-Programming-Language/druntime] 3ce3cf: make gcx invariant const-correct

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/druntime
  Commit: 3ce3cf739f339888d65fe8250946e2eb9adb3506
      https://github.com/D-Programming-Language/druntime/commit/3ce3cf739f339888d65fe8250946e2eb9adb3506
  Author: Walter Bright <walter at walterbright.com>
  Date:   2012-01-29 (Sun, 29 Jan 2012)

  Changed paths:
    M src/gc/gcx.d

  Log Message:
  -----------
  make gcx invariant const-correct