[Webkit-unassigned] [Bug 198630] Three checks are missing in Proxy internal methods

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=198630

--- Comment #7 from Saam Barati <sbarati at apple.com> ---
Comment on attachment 371547
  --> https://bugs.webkit.org/attachment.cgi?id=371547
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=371547&action=review

> Source/JavaScriptCore/runtime/ProxyObject.cpp:666
> +        bool targetIsExtensible = target->isExtensible(exec);

Since this is observable, I was asking for a test where you assert that this happens and with the proper ordering. (e.g, you can observe this when "target" is another proxy)

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