D-Programming-Language/phobos — pull request #1019 by quickfur (2012-12-20 18:07:28+00:00)
Title: Fix issue 8061.

We cannot assume that RoR.save will also .save the state of its
subranges; so the only way we can correctly export a .save method in the
joined range is if we also .save its subranges as we traverse over them.