Araq/Nimrod — pull request #1533 by rbehrends (2014-09-18 16:48:44+00:00)
Title: Various fixes to how the Boehm GC's interface.

The Boehm GC interface did not define the getXXXSharedMem() functions that were needed for compilation with --threads:on. It also used `ppointer` instead of `PPointer`, so it failed to compile with --cs:partial.