Bug 942928 - Fix test code link error when build with GenerationalGC r=glandium
Bug 939206 - Fix nsTArray post barriers for JS::Heap<T> elements r=bsmedberg
Bug 942928 - Add tests for nsTArray postbarriers r=sfink
Bug 939993 - Add assert that hash key is still valid in HashTable::relookupOrAdd r=sfink