The only references to `envChainObject` seems to be in the JS shell, as a property expected on the option object given as argument. So this is most likely not affecting Firefox. Arai, maybe you would not what needs to be checked about the `envChainObject` that is not checked early on in the `Evaluate` function?
Bug 1814880 Comment 1 Edit History
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The only references to `envChainObject` seems to be in the JS shell, as a property expected on the option object given as argument. So this is most likely not affecting Firefox. Arai, maybe you would know what needs to be checked about the `envChainObject` that is not checked early on in the `Evaluate` function?