[Webkit-unassigned] [Bug 195656] Add a thread safety assertion for RefCounted

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=195656

--- Comment #3 from Ryosuke Niwa <rniwa at webkit.org> ---
(In reply to Fujii Hironori from comment #2)
> WTF::String has a non-atomic ref couter, but it is a quite common pattern to
> pass a WTF::String cross-threads by using isolatedCopy().

That's a good point. Maybe we need to allow this usage in some classes, or perhaps isolatedCopy needs some magic to unset the thread identity.

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