Bug 824321 - "Assertion failure: !IsThingPoisoned(thing)," r=terrence

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extra : rebase_source : e1662451f8f90af0b1f25073e7f919cebdf5d410
Bug 825327 - "Assertion failure: (obj)->compartment()->isGCMarking()," r=terrence

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extra : rebase_source : 2f4e934b16beadd5a3fadabd4c8f1bfd98e2d712