Bug 899309 - modify JS::Value and some helper functions to be constexpr-foldable; r=luke
Bug 899652 - use JS::UndefinedValue instead of JSVAL_VOID to encourage constexpr-ness; r=bz
Bug 903427 - make ConstantSpecs in OSFileConstants.cpp const and constexpr-foldable; r=khuey
Bug 903543 - eliminate static constructors from SMIL types (and destructors, in opt builds); r=dholbert
Bug 903466 - eliminate static constructors in widget/android/; r=blassey
Bug 903394 - IonMonkey: Refactor IonBuilder jsop_setelem, r=jandem
Bug 903394 - IonMonkey: Refactor IonBuilder jsop_setprop, r=jandem