Help wanted: Membrane proxies + Object.freeze() == paradox

Jason Orendorff jason.orendorff at
Tue May 23 16:26:25 UTC 2017

I think the most straightforward thing is something like this:

To restate the obvious, this is a minimal fix for your minimized test case,
not production code you can take and use. You'd need to implement all the
rest of the handler methods.

On Tue, May 23, 2017 at 11:01 AM, Alex Vincent <ajvincent at> wrote:

> Yes, I've been using the shadow technique in my es7-membrane project for
> quite some time.  I was trying to minimize a fairly complex test case here.
> Obviously, I can reintroduce shadow targets into the minimal testcase, but
> then I need to figure out how to make the prototype object I'm trying to
> get consistent again... still working through the details of that in my
> head.
> On Tue, May 23, 2017 at 8:50 AM, Mark S. Miller <erights at>
> wrote:
>> Take a look at Tom's explanation of the "shadow target" technique at
>> section 4.3
>> --
>>     Cheers,
>>     --MarkM
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