Bug 212954 does not depend on any open bugs.

Bug 212954 blocks one open bug:

•    212954: [JSC] Simplify get*PropertyNames() methods and EnumerationMode [RESOLVED FIXED; assigned to ashvayka]
  •    219926: Assert that properties returned by getOwnPropertyNames() are reported enumerable by getOwnPropertySlot() [NEW; assigned to ashvayka]