WTFThreadData::~WTFThreadData()
{
    if (m_atomicStringTableDestructor)
        m_atomicStringTableDestructor(m_atomicStringTable);
#if USE(JSC)
    delete m_defaultIdentifierTable;
#endif
}
WTFThreadData::~WTFThreadData()
{
    if (m_atomicStringTableDestructor)
        m_atomicStringTableDestructor(m_atomicStringTable);
}