[Webkit-unassigned] [Bug 204880] Automation: scripts are executed in the wrong js context after a history navigation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=204880

--- Comment #18 from Carlos Garcia Campos <cgarcia at igalia.com> ---
(In reply to Keith Miller from comment #17)
[...]
> I think using __builtin_available is the way to go. JSC gets around this in
> testapi.cpp by #defining JSC_API_AVAILABLE away. But by this point we will
> have rewritten the JSC API header to use the system API availability
> attributes.

If I understand __builtin_available correctly, that would use the API only when in newer version of macOS, but this is internal API that is available for sure when building WebKit, no? We don't have a fallback for previous versions. Another alternative would be to use the internal JSC API to get/set the property.

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