-fixed http://bugzilla.opendarwin.org/show_bug.cgi?id=3881

    -fixed bugzilla.opendarwin.org/show_bug.cgi?id=3881
        arguments object should share values with function parameters

        Reviewed by mjs.

        ArgumentsImp now uses a simple hash lookup to share values
        with the activation object.

        * kjs/function.cpp:
        (KJS::FunctionImp::getParameterName):
        (KJS::IndexToNameMap::IndexToNameMap):
        (KJS::IndexToNameMap::~IndexToNameMap):
        (KJS::IndexToNameMap::isMapped):
        (KJS::IndexToNameMap::unMap):
        (KJS::IndexToNameMap::operator[]):
        (KJS::ArgumentsImp::ArgumentsImp):
        (KJS::ArgumentsImp::mark):
        (KJS::ArgumentsImp::get):
        (KJS::ArgumentsImp::put):
        (KJS::ArgumentsImp::deleteProperty):
        (KJS::ArgumentsImp::hasOwnProperty):
        (KJS::ActivationImp::createArgumentsObject):
        * kjs/function.h:
        * tests/mozilla/expected.html: updated results

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@9676 268f45cc-cd09-0410-ab3c-d52691b4dbfc