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oliver@apple.com authored
Reviewed by Gavin Barraclough. JSON.stringify is much slower than Firefox on particular pathological input https://bugs.webkit.org/show_bug.cgi?id=44456 Make StringBuilder::reserveCapacity reserve additional space so we don't end up repeatedly copying the entire result string. * runtime/StringBuilder.h: (JSC::StringBuilder::append): (JSC::StringBuilder::reserveCapacity): git-svn-id: http://svn.webkit.org/repository/webkit/trunk@65834 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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