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https://bugs.webkit.org/show_bug.cgi?id=23085oliver@apple.com authored
<rdar://problem/6474110> Reviewed by Cameron Zwarich So this delightful bug was caused by our unwind code using a ScopeChain to perform the unwind. The ScopeChain would ref the initial top of the scope chain, then deref the resultant top of scope chain, which is incorrect. This patch removes the dependency on ScopeChain for the unwind, and i've filed <https://bugs.webkit.org/show_bug.cgi?id=23144> to look into the unintuitive ScopeChain behaviour. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@39660 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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